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Finding the Fourth Proportional to 887,000.10, 1,223,712.81 and 546,877.86

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Solution

The fourth proportional to 887,000.10, 1,223,712.81 and 546,877.86 is: 754,477.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    887,000.10 : 1,223,712.81 = 546,877.86 : x
  2. Step 2: Convert to fraction form
    887,000.10/1,223,712.81 = 546,877.86/x
  3. Step 3: Cross multiply
    887,000.10x = 1,223,712.81 × 546,877.86
  4. Step 4: Simplify right side
    887,000.10x = 669,221,442,787.39
  5. Step 5: Solve for x
    x = 669,221,442,787.39/887,000.10
  6. Step 6: Final answer
    x = 754,477.30

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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.