Home / 588,454.96-812,127.64-346,815.40

Finding the Fourth Proportional to 588,454.96, 812,127.64 and 346,815.40

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Solution

The fourth proportional to 588,454.96, 812,127.64 and 346,815.40 is: 478,640.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    588,454.96 : 812,127.64 = 346,815.40 : x
  2. Step 2: Convert to fraction form
    588,454.96/812,127.64 = 346,815.40/x
  3. Step 3: Cross multiply
    588,454.96x = 812,127.64 × 346,815.40
  4. Step 4: Simplify right side
    588,454.96x = 281,658,372,317.66
  5. Step 5: Solve for x
    x = 281,658,372,317.66/588,454.96
  6. Step 6: Final answer
    x = 478,640.49

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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.