Home / 977,853.20-1,349,141.48-633,144.08

Finding the Fourth Proportional to 977,853.20, 1,349,141.48 and 633,144.08

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Solution

The fourth proportional to 977,853.20, 1,349,141.48 and 633,144.08 is: 873,547.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    977,853.20 : 1,349,141.48 = 633,144.08 : x
  2. Step 2: Convert to fraction form
    977,853.20/1,349,141.48 = 633,144.08/x
  3. Step 3: Cross multiply
    977,853.20x = 1,349,141.48 × 633,144.08
  4. Step 4: Simplify right side
    977,853.20x = 854,200,941,144.44
  5. Step 5: Solve for x
    x = 854,200,941,144.44/977,853.20
  6. Step 6: Final answer
    x = 873,547.22

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Half scale
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Double scale
Find fourth proportional to 977,854.20, 1,349,142.86 and 633,145.08
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.