Home / 914,793.30-1,371,023.55-440,457.30

Finding the Fourth Proportional to 914,793.30, 1,371,023.55 and 440,457.30

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Solution

The fourth proportional to 914,793.30, 1,371,023.55 and 440,457.30 is: 660,124.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    914,793.30 : 1,371,023.55 = 440,457.30 : x
  2. Step 2: Convert to fraction form
    914,793.30/1,371,023.55 = 440,457.30/x
  3. Step 3: Cross multiply
    914,793.30x = 1,371,023.55 × 440,457.30
  4. Step 4: Simplify right side
    914,793.30x = 603,877,331,069.42
  5. Step 5: Solve for x
    x = 603,877,331,069.42/914,793.30
  6. Step 6: Final answer
    x = 660,124.35

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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.