Home / 968,209.61-1,336,178.63-538,498.13

Finding the Fourth Proportional to 968,209.61, 1,336,178.63 and 538,498.13

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Solution

The fourth proportional to 968,209.61, 1,336,178.63 and 538,498.13 is: 743,154.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    968,209.61 : 1,336,178.63 = 538,498.13 : x
  2. Step 2: Convert to fraction form
    968,209.61/1,336,178.63 = 538,498.13/x
  3. Step 3: Cross multiply
    968,209.61x = 1,336,178.63 × 538,498.13
  4. Step 4: Simplify right side
    968,209.61x = 719,529,688,266.31
  5. Step 5: Solve for x
    x = 719,529,688,266.31/968,209.61
  6. Step 6: Final answer
    x = 743,154.88

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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.