Home / 717,145.52-1,075,050.04-243,506.92

Finding the Fourth Proportional to 717,145.52, 1,075,050.04 and 243,506.92

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Solution

The fourth proportional to 717,145.52, 1,075,050.04 and 243,506.92 is: 365,033.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    717,145.52 : 1,075,050.04 = 243,506.92 : x
  2. Step 2: Convert to fraction form
    717,145.52/1,075,050.04 = 243,506.92/x
  3. Step 3: Cross multiply
    717,145.52x = 1,075,050.04 × 243,506.92
  4. Step 4: Simplify right side
    717,145.52x = 261,782,124,086.28
  5. Step 5: Solve for x
    x = 261,782,124,086.28/717,145.52
  6. Step 6: Final answer
    x = 365,033.48

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Double scale
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Similar ratio
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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.