Home / 939,036.04-1,295,869.82-531,129.11

Finding the Fourth Proportional to 939,036.04, 1,295,869.82 and 531,129.11

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Solution

The fourth proportional to 939,036.04, 1,295,869.82 and 531,129.11 is: 732,958.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    939,036.04 : 1,295,869.82 = 531,129.11 : x
  2. Step 2: Convert to fraction form
    939,036.04/1,295,869.82 = 531,129.11/x
  3. Step 3: Cross multiply
    939,036.04x = 1,295,869.82 × 531,129.11
  4. Step 4: Simplify right side
    939,036.04x = 688,274,175,037.47
  5. Step 5: Solve for x
    x = 688,274,175,037.47/939,036.04
  6. Step 6: Final answer
    x = 732,958.21

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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.