Home / 750,000.70-1,125,359.16-350,583.45

Finding the Fourth Proportional to 750,000.70, 1,125,359.16 and 350,583.45

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Solution

The fourth proportional to 750,000.70, 1,125,359.16 and 350,583.45 is: 526,042.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    750,000.70 : 1,125,359.16 = 350,583.45 : x
  2. Step 2: Convert to fraction form
    750,000.70/1,125,359.16 = 350,583.45/x
  3. Step 3: Cross multiply
    750,000.70x = 1,125,359.16 × 350,583.45
  4. Step 4: Simplify right side
    750,000.70x = 394,532,296,801.90
  5. Step 5: Solve for x
    x = 394,532,296,801.90/750,000.70
  6. Step 6: Final answer
    x = 526,042.57

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1.5x scale

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.