Home / 864,646.17-1,193,231.84-542,369.85

Finding the Fourth Proportional to 864,646.17, 1,193,231.84 and 542,369.85

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Solution

The fourth proportional to 864,646.17, 1,193,231.84 and 542,369.85 is: 748,483.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    864,646.17 : 1,193,231.84 = 542,369.85 : x
  2. Step 2: Convert to fraction form
    864,646.17/1,193,231.84 = 542,369.85/x
  3. Step 3: Cross multiply
    864,646.17x = 1,193,231.84 × 542,369.85
  4. Step 4: Simplify right side
    864,646.17x = 647,172,971,364.18
  5. Step 5: Solve for x
    x = 647,172,971,364.18/864,646.17
  6. Step 6: Final answer
    x = 748,483.01

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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.