Home / 648,001.40-972,002.10-596,679.80

Finding the Fourth Proportional to 648,001.40, 972,002.10 and 596,679.80

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Solution

The fourth proportional to 648,001.40, 972,002.10 and 596,679.80 is: 895,019.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    648,001.40 : 972,002.10 = 596,679.80 : x
  2. Step 2: Convert to fraction form
    648,001.40/972,002.10 = 596,679.80/x
  3. Step 3: Cross multiply
    648,001.40x = 972,002.10 × 596,679.80
  4. Step 4: Simplify right side
    648,001.40x = 579,974,018,627.58
  5. Step 5: Solve for x
    x = 579,974,018,627.58/648,001.40
  6. Step 6: Final answer
    x = 895,019.70

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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.