Home / 497,261.40-686,207.58-282,410.52

Finding the Fourth Proportional to 497,261.40, 686,207.58 and 282,410.52

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Solution

The fourth proportional to 497,261.40, 686,207.58 and 282,410.52 is: 389,719.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    497,261.40 : 686,207.58 = 282,410.52 : x
  2. Step 2: Convert to fraction form
    497,261.40/686,207.58 = 282,410.52/x
  3. Step 3: Cross multiply
    497,261.40x = 686,207.58 × 282,410.52
  4. Step 4: Simplify right side
    497,261.40x = 193,792,239,495.74
  5. Step 5: Solve for x
    x = 193,792,239,495.74/497,261.40
  6. Step 6: Final answer
    x = 389,719.05

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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.