Home / 626,020.20-939,030.30-531,541.80

Finding the Fourth Proportional to 626,020.20, 939,030.30 and 531,541.80

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Solution

The fourth proportional to 626,020.20, 939,030.30 and 531,541.80 is: 797,312.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    626,020.20 : 939,030.30 = 531,541.80 : x
  2. Step 2: Convert to fraction form
    626,020.20/939,030.30 = 531,541.80/x
  3. Step 3: Cross multiply
    626,020.20x = 939,030.30 × 531,541.80
  4. Step 4: Simplify right side
    626,020.20x = 499,133,855,916.54
  5. Step 5: Solve for x
    x = 499,133,855,916.54/626,020.20
  6. Step 6: Final answer
    x = 797,312.70

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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.