Home / 682,362.30-1,023,543.45-577,386.30

Finding the Fourth Proportional to 682,362.30, 1,023,543.45 and 577,386.30

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Solution

The fourth proportional to 682,362.30, 1,023,543.45 and 577,386.30 is: 866,079.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    682,362.30 : 1,023,543.45 = 577,386.30 : x
  2. Step 2: Convert to fraction form
    682,362.30/1,023,543.45 = 577,386.30/x
  3. Step 3: Cross multiply
    682,362.30x = 1,023,543.45 × 577,386.30
  4. Step 4: Simplify right side
    682,362.30x = 590,979,965,484.74
  5. Step 5: Solve for x
    x = 590,979,965,484.74/682,362.30
  6. Step 6: Final answer
    x = 866,079.45

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.