Home / 1,152,864.98-1,590,966.41-636,618.16

Finding the Fourth Proportional to 1,152,864.98, 1,590,966.41 and 636,618.16

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Solution

The fourth proportional to 1,152,864.98, 1,590,966.41 and 636,618.16 is: 878,540.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,152,864.98 : 1,590,966.41 = 636,618.16 : x
  2. Step 2: Convert to fraction form
    1,152,864.98/1,590,966.41 = 636,618.16/x
  3. Step 3: Cross multiply
    1,152,864.98x = 1,590,966.41 × 636,618.16
  4. Step 4: Simplify right side
    1,152,864.98x = 1,012,838,106,468.01
  5. Step 5: Solve for x
    x = 1,012,838,106,468.01/1,152,864.98
  6. Step 6: Final answer
    x = 878,540.10

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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.