Home / 357,528.62-492,869.85-249,764.19

Finding the Fourth Proportional to 357,528.62, 492,869.85 and 249,764.19

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Solution

The fourth proportional to 357,528.62, 492,869.85 and 249,764.19 is: 344,311.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,528.62 : 492,869.85 = 249,764.19 : x
  2. Step 2: Convert to fraction form
    357,528.62/492,869.85 = 249,764.19/x
  3. Step 3: Cross multiply
    357,528.62x = 492,869.85 × 249,764.19
  4. Step 4: Simplify right side
    357,528.62x = 123,101,238,860.67
  5. Step 5: Solve for x
    x = 123,101,238,860.67/357,528.62
  6. Step 6: Final answer
    x = 344,311.57

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Double scale
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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.