Home / 977,633.25-1,349,130.69-569,976.45

Finding the Fourth Proportional to 977,633.25, 1,349,130.69 and 569,976.45

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Solution

The fourth proportional to 977,633.25, 1,349,130.69 and 569,976.45 is: 786,565.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    977,633.25 : 1,349,130.69 = 569,976.45 : x
  2. Step 2: Convert to fraction form
    977,633.25/1,349,130.69 = 569,976.45/x
  3. Step 3: Cross multiply
    977,633.25x = 1,349,130.69 × 569,976.45
  4. Step 4: Simplify right side
    977,633.25x = 768,972,721,272.25
  5. Step 5: Solve for x
    x = 768,972,721,272.25/977,633.25
  6. Step 6: Final answer
    x = 786,565.64

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Double scale
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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.