Home / 855,613.20-1,180,746.56-468,453.71

Finding the Fourth Proportional to 855,613.20, 1,180,746.56 and 468,453.71

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Solution

The fourth proportional to 855,613.20, 1,180,746.56 and 468,453.71 is: 646,466.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    855,613.20 : 1,180,746.56 = 468,453.71 : x
  2. Step 2: Convert to fraction form
    855,613.20/1,180,746.56 = 468,453.71/x
  3. Step 3: Cross multiply
    855,613.20x = 1,180,746.56 × 468,453.71
  4. Step 4: Simplify right side
    855,613.20x = 553,125,098,355.74
  5. Step 5: Solve for x
    x = 553,125,098,355.74/855,613.20
  6. Step 6: Final answer
    x = 646,466.30

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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.