Home / 626,645.70-939,968.55-558,411.30

Finding the Fourth Proportional to 626,645.70, 939,968.55 and 558,411.30

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Solution

The fourth proportional to 626,645.70, 939,968.55 and 558,411.30 is: 837,616.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    626,645.70 : 939,968.55 = 558,411.30 : x
  2. Step 2: Convert to fraction form
    626,645.70/939,968.55 = 558,411.30/x
  3. Step 3: Cross multiply
    626,645.70x = 939,968.55 × 558,411.30
  4. Step 4: Simplify right side
    626,645.70x = 524,889,059,964.62
  5. Step 5: Solve for x
    x = 524,889,059,964.62/626,645.70
  6. Step 6: Final answer
    x = 837,616.95

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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.