Home / 864,421.08-1,191,792.15-708,799.02

Finding the Fourth Proportional to 864,421.08, 1,191,792.15 and 708,799.02

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Solution

The fourth proportional to 864,421.08, 1,191,792.15 and 708,799.02 is: 977,233.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    864,421.08 : 1,191,792.15 = 708,799.02 : x
  2. Step 2: Convert to fraction form
    864,421.08/1,191,792.15 = 708,799.02/x
  3. Step 3: Cross multiply
    864,421.08x = 1,191,792.15 × 708,799.02
  4. Step 4: Simplify right side
    864,421.08x = 844,741,107,963.69
  5. Step 5: Solve for x
    x = 844,741,107,963.69/864,421.08
  6. Step 6: Final answer
    x = 977,233.35

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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.