Home / 758,372.42-1,046,547.51-418,833.38

Finding the Fourth Proportional to 758,372.42, 1,046,547.51 and 418,833.38

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Solution

The fourth proportional to 758,372.42, 1,046,547.51 and 418,833.38 is: 577,986.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    758,372.42 : 1,046,547.51 = 418,833.38 : x
  2. Step 2: Convert to fraction form
    758,372.42/1,046,547.51 = 418,833.38/x
  3. Step 3: Cross multiply
    758,372.42x = 1,046,547.51 × 418,833.38
  4. Step 4: Simplify right side
    758,372.42x = 438,329,025,711.15
  5. Step 5: Solve for x
    x = 438,329,025,711.15/758,372.42
  6. Step 6: Final answer
    x = 577,986.51

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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.