Home / 747,303.06-1,031,418.84-468,029.64

Finding the Fourth Proportional to 747,303.06, 1,031,418.84 and 468,029.64

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Solution

The fourth proportional to 747,303.06, 1,031,418.84 and 468,029.64 is: 645,968.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    747,303.06 : 1,031,418.84 = 468,029.64 : x
  2. Step 2: Convert to fraction form
    747,303.06/1,031,418.84 = 468,029.64/x
  3. Step 3: Cross multiply
    747,303.06x = 1,031,418.84 × 468,029.64
  4. Step 4: Simplify right side
    747,303.06x = 482,734,588,374.42
  5. Step 5: Solve for x
    x = 482,734,588,374.42/747,303.06
  6. Step 6: Final answer
    x = 645,968.97

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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 (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.