Home / 740,411.60-1,109,969.40-502,984.40

Finding the Fourth Proportional to 740,411.60, 1,109,969.40 and 502,984.40

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Solution

The fourth proportional to 740,411.60, 1,109,969.40 and 502,984.40 is: 754,036.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    740,411.60 : 1,109,969.40 = 502,984.40 : x
  2. Step 2: Convert to fraction form
    740,411.60/1,109,969.40 = 502,984.40/x
  3. Step 3: Cross multiply
    740,411.60x = 1,109,969.40 × 502,984.40
  4. Step 4: Simplify right side
    740,411.60x = 558,297,292,677.36
  5. Step 5: Solve for x
    x = 558,297,292,677.36/740,411.60
  6. Step 6: Final answer
    x = 754,036.39

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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.