Home / 526,721.40-790,082.10-483,175.80

Finding the Fourth Proportional to 526,721.40, 790,082.10 and 483,175.80

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Solution

The fourth proportional to 526,721.40, 790,082.10 and 483,175.80 is: 724,763.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,721.40 : 790,082.10 = 483,175.80 : x
  2. Step 2: Convert to fraction form
    526,721.40/790,082.10 = 483,175.80/x
  3. Step 3: Cross multiply
    526,721.40x = 790,082.10 × 483,175.80
  4. Step 4: Simplify right side
    526,721.40x = 381,748,550,733.18
  5. Step 5: Solve for x
    x = 381,748,550,733.18/526,721.40
  6. Step 6: Final answer
    x = 724,763.70

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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.