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Finding the Fourth Proportional to 779,795.14, 1,168,061 and 627,167.32

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Solution

The fourth proportional to 779,795.14, 1,168,061 and 627,167.32 is: 939,438.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    779,795.14 : 1,168,061 = 627,167.32 : x
  2. Step 2: Convert to fraction form
    779,795.14/1,168,061 = 627,167.32/x
  3. Step 3: Cross multiply
    779,795.14x = 1,168,061 × 627,167.32
  4. Step 4: Simplify right side
    779,795.14x = 732,569,686,966.52
  5. Step 5: Solve for x
    x = 732,569,686,966.52/779,795.14
  6. Step 6: Final answer
    x = 939,438.64

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.