Home / 939,312.70-1,296,254.04-509,592.83

Finding the Fourth Proportional to 939,312.70, 1,296,254.04 and 509,592.83

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Solution

The fourth proportional to 939,312.70, 1,296,254.04 and 509,592.83 is: 703,239.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    939,312.70 : 1,296,254.04 = 509,592.83 : x
  2. Step 2: Convert to fraction form
    939,312.70/1,296,254.04 = 509,592.83/x
  3. Step 3: Cross multiply
    939,312.70x = 1,296,254.04 × 509,592.83
  4. Step 4: Simplify right side
    939,312.70x = 660,561,765,364.58
  5. Step 5: Solve for x
    x = 660,561,765,364.58/939,312.70
  6. Step 6: Final answer
    x = 703,239.47

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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.