Home / 897,454.30-1,346,181.45-645,511.90

Finding the Fourth Proportional to 897,454.30, 1,346,181.45 and 645,511.90

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Solution

The fourth proportional to 897,454.30, 1,346,181.45 and 645,511.90 is: 968,267.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    897,454.30 : 1,346,181.45 = 645,511.90 : x
  2. Step 2: Convert to fraction form
    897,454.30/1,346,181.45 = 645,511.90/x
  3. Step 3: Cross multiply
    897,454.30x = 1,346,181.45 × 645,511.90
  4. Step 4: Simplify right side
    897,454.30x = 868,976,145,534.26
  5. Step 5: Solve for x
    x = 868,976,145,534.26/897,454.30
  6. Step 6: Final answer
    x = 968,267.85

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Double scale
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Similar ratio
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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.