Home / 584,431.15-806,507.10-326,312.06

Finding the Fourth Proportional to 584,431.15, 806,507.10 and 326,312.06

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Solution

The fourth proportional to 584,431.15, 806,507.10 and 326,312.06 is: 450,306.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    584,431.15 : 806,507.10 = 326,312.06 : x
  2. Step 2: Convert to fraction form
    584,431.15/806,507.10 = 326,312.06/x
  3. Step 3: Cross multiply
    584,431.15x = 806,507.10 × 326,312.06
  4. Step 4: Simplify right side
    584,431.15x = 263,172,995,964.95
  5. Step 5: Solve for x
    x = 263,172,995,964.95/584,431.15
  6. Step 6: Final answer
    x = 450,306.25

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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.