Home / 749,437.62-1,034,248.62-409,905.84

Finding the Fourth Proportional to 749,437.62, 1,034,248.62 and 409,905.84

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Solution

The fourth proportional to 749,437.62, 1,034,248.62 and 409,905.84 is: 565,683.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    749,437.62 : 1,034,248.62 = 409,905.84 : x
  2. Step 2: Convert to fraction form
    749,437.62/1,034,248.62 = 409,905.84/x
  3. Step 3: Cross multiply
    749,437.62x = 1,034,248.62 × 409,905.84
  4. Step 4: Simplify right side
    749,437.62x = 423,944,549,349.94
  5. Step 5: Solve for x
    x = 423,944,549,349.94/749,437.62
  6. Step 6: Final answer
    x = 565,683.57

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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.