Home / 915,701.40-1,373,552.10-383,166.90

Finding the Fourth Proportional to 915,701.40, 1,373,552.10 and 383,166.90

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Solution

The fourth proportional to 915,701.40, 1,373,552.10 and 383,166.90 is: 574,750.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    915,701.40 : 1,373,552.10 = 383,166.90 : x
  2. Step 2: Convert to fraction form
    915,701.40/1,373,552.10 = 383,166.90/x
  3. Step 3: Cross multiply
    915,701.40x = 1,373,552.10 × 383,166.90
  4. Step 4: Simplify right side
    915,701.40x = 526,299,700,145.49
  5. Step 5: Solve for x
    x = 526,299,700,145.49/915,701.40
  6. Step 6: Final answer
    x = 574,750.35

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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.