Home / 495,401.29-683,642.16-291,465.32

Finding the Fourth Proportional to 495,401.29, 683,642.16 and 291,465.32

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Solution

The fourth proportional to 495,401.29, 683,642.16 and 291,465.32 is: 402,215.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    495,401.29 : 683,642.16 = 291,465.32 : x
  2. Step 2: Convert to fraction form
    495,401.29/683,642.16 = 291,465.32/x
  3. Step 3: Cross multiply
    495,401.29x = 683,642.16 × 291,465.32
  4. Step 4: Simplify right side
    495,401.29x = 199,257,982,639.00
  5. Step 5: Solve for x
    x = 199,257,982,639.00/495,401.29
  6. Step 6: Final answer
    x = 402,215.31

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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.