Home / 872,587.20-1,204,384.08-533,339.76

Finding the Fourth Proportional to 872,587.20, 1,204,384.08 and 533,339.76

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Solution

The fourth proportional to 872,587.20, 1,204,384.08 and 533,339.76 is: 736,139.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    872,587.20 : 1,204,384.08 = 533,339.76 : x
  2. Step 2: Convert to fraction form
    872,587.20/1,204,384.08 = 533,339.76/x
  3. Step 3: Cross multiply
    872,587.20x = 1,204,384.08 × 533,339.76
  4. Step 4: Simplify right side
    872,587.20x = 642,345,916,175.02
  5. Step 5: Solve for x
    x = 642,345,916,175.02/872,587.20
  6. Step 6: Final answer
    x = 736,139.51

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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.