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Finding the Fourth Proportional to 1,012,417, 1,397,164.62 and 559,737.16

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Solution

The fourth proportional to 1,012,417, 1,397,164.62 and 559,737.16 is: 772,453.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,012,417 : 1,397,164.62 = 559,737.16 : x
  2. Step 2: Convert to fraction form
    1,012,417/1,397,164.62 = 559,737.16/x
  3. Step 3: Cross multiply
    1,012,417x = 1,397,164.62 × 559,737.16
  4. Step 4: Simplify right side
    1,012,417x = 782,044,956,451.28
  5. Step 5: Solve for x
    x = 782,044,956,451.28/1,012,417
  6. Step 6: Final answer
    x = 772,453.40

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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.