Home / 588,455.96-812,129.02-346,816.40

Finding the Fourth Proportional to 588,455.96, 812,129.02 and 346,816.40

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Solution

The fourth proportional to 588,455.96, 812,129.02 and 346,816.40 is: 478,641.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    588,455.96 : 812,129.02 = 346,816.40 : x
  2. Step 2: Convert to fraction form
    588,455.96/812,129.02 = 346,816.40/x
  3. Step 3: Cross multiply
    588,455.96x = 812,129.02 × 346,816.40
  4. Step 4: Simplify right side
    588,455.96x = 281,659,663,051.93
  5. Step 5: Solve for x
    x = 281,659,663,051.93/588,455.96
  6. Step 6: Final answer
    x = 478,641.87

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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.