Home / 676,012.92-931,819.59-458,153.70

Finding the Fourth Proportional to 676,012.92, 931,819.59 and 458,153.70

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Solution

The fourth proportional to 676,012.92, 931,819.59 and 458,153.70 is: 631,521.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    676,012.92 : 931,819.59 = 458,153.70 : x
  2. Step 2: Convert to fraction form
    676,012.92/931,819.59 = 458,153.70/x
  3. Step 3: Cross multiply
    676,012.92x = 931,819.59 × 458,153.70
  4. Step 4: Simplify right side
    676,012.92x = 426,916,592,890.98
  5. Step 5: Solve for x
    x = 426,916,592,890.98/676,012.92
  6. Step 6: Final answer
    x = 631,521.35

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Half scale
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Double scale
Find fourth proportional to 676,013.92, 931,820.97 and 458,154.70
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.