Home / 572,768.20-859,152.30-403,931.80

Finding the Fourth Proportional to 572,768.20, 859,152.30 and 403,931.80

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Solution

The fourth proportional to 572,768.20, 859,152.30 and 403,931.80 is: 605,897.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    572,768.20 : 859,152.30 = 403,931.80 : x
  2. Step 2: Convert to fraction form
    572,768.20/859,152.30 = 403,931.80/x
  3. Step 3: Cross multiply
    572,768.20x = 859,152.30 × 403,931.80
  4. Step 4: Simplify right side
    572,768.20x = 347,038,935,013.14
  5. Step 5: Solve for x
    x = 347,038,935,013.14/572,768.20
  6. Step 6: Final answer
    x = 605,897.70

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Double scale
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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.