Home / 714,773.42-986,476.16-408,807.36

Finding the Fourth Proportional to 714,773.42, 986,476.16 and 408,807.36

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Solution

The fourth proportional to 714,773.42, 986,476.16 and 408,807.36 is: 564,204.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    714,773.42 : 986,476.16 = 408,807.36 : x
  2. Step 2: Convert to fraction form
    714,773.42/986,476.16 = 408,807.36/x
  3. Step 3: Cross multiply
    714,773.42x = 986,476.16 × 408,807.36
  4. Step 4: Simplify right side
    714,773.42x = 403,278,712,628.50
  5. Step 5: Solve for x
    x = 403,278,712,628.50/714,773.42
  6. Step 6: Final answer
    x = 564,204.97

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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.