Home / 939,412.50-1,296,351.45-509,676.18

Finding the Fourth Proportional to 939,412.50, 1,296,351.45 and 509,676.18

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Solution

The fourth proportional to 939,412.50, 1,296,351.45 and 509,676.18 is: 703,332.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    939,412.50 : 1,296,351.45 = 509,676.18 : x
  2. Step 2: Convert to fraction form
    939,412.50/1,296,351.45 = 509,676.18/x
  3. Step 3: Cross multiply
    939,412.50x = 1,296,351.45 × 509,676.18
  4. Step 4: Simplify right side
    939,412.50x = 660,719,454,973.46
  5. Step 5: Solve for x
    x = 660,719,454,973.46/939,412.50
  6. Step 6: Final answer
    x = 703,332.62

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Double scale
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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.