Home / 626,531.85-864,614.70-340,052.00

Finding the Fourth Proportional to 626,531.85, 864,614.70 and 340,052.00

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Solution

The fourth proportional to 626,531.85, 864,614.70 and 340,052.00 is: 469,272.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    626,531.85 : 864,614.70 = 340,052.00 : x
  2. Step 2: Convert to fraction form
    626,531.85/864,614.70 = 340,052.00/x
  3. Step 3: Cross multiply
    626,531.85x = 864,614.70 × 340,052.00
  4. Step 4: Simplify right side
    626,531.85x = 294,013,953,641.33
  5. Step 5: Solve for x
    x = 294,013,953,641.33/626,531.85
  6. Step 6: Final answer
    x = 469,272.16

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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.