Home / 714,280.29-985,426.19-408,192.46

Finding the Fourth Proportional to 714,280.29, 985,426.19 and 408,192.46

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Solution

The fourth proportional to 714,280.29, 985,426.19 and 408,192.46 is: 563,145.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    714,280.29 : 985,426.19 = 408,192.46 : x
  2. Step 2: Convert to fraction form
    714,280.29/985,426.19 = 408,192.46/x
  3. Step 3: Cross multiply
    714,280.29x = 985,426.19 × 408,192.46
  4. Step 4: Simplify right side
    714,280.29x = 402,243,533,676.43
  5. Step 5: Solve for x
    x = 402,243,533,676.43/714,280.29
  6. Step 6: Final answer
    x = 563,145.23

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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.