Home / 939,266.61-1,296,188.08-531,360.01

Finding the Fourth Proportional to 939,266.61, 1,296,188.08 and 531,360.01

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Solution

The fourth proportional to 939,266.61, 1,296,188.08 and 531,360.01 is: 733,276.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    939,266.61 : 1,296,188.08 = 531,360.01 : x
  2. Step 2: Convert to fraction form
    939,266.61/1,296,188.08 = 531,360.01/x
  3. Step 3: Cross multiply
    939,266.61x = 1,296,188.08 × 531,360.01
  4. Step 4: Simplify right side
    939,266.61x = 688,742,517,001.39
  5. Step 5: Solve for x
    x = 688,742,517,001.39/939,266.61
  6. Step 6: Final answer
    x = 733,276.91

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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.