Home / 758,417.85-1,047,037.01-517,055.09

Finding the Fourth Proportional to 758,417.85, 1,047,037.01 and 517,055.09

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Solution

The fourth proportional to 758,417.85, 1,047,037.01 and 517,055.09 is: 713,822.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    758,417.85 : 1,047,037.01 = 517,055.09 : x
  2. Step 2: Convert to fraction form
    758,417.85/1,047,037.01 = 517,055.09/x
  3. Step 3: Cross multiply
    758,417.85x = 1,047,037.01 × 517,055.09
  4. Step 4: Simplify right side
    758,417.85x = 541,375,807,618.42
  5. Step 5: Solve for x
    x = 541,375,807,618.42/758,417.85
  6. Step 6: Final answer
    x = 713,822.61

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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.