Home / 1,071,356.51-1,478,514.62-587,938.95

Finding the Fourth Proportional to 1,071,356.51, 1,478,514.62 and 587,938.95

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Solution

The fourth proportional to 1,071,356.51, 1,478,514.62 and 587,938.95 is: 811,379.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,071,356.51 : 1,478,514.62 = 587,938.95 : x
  2. Step 2: Convert to fraction form
    1,071,356.51/1,478,514.62 = 587,938.95/x
  3. Step 3: Cross multiply
    1,071,356.51x = 1,478,514.62 × 587,938.95
  4. Step 4: Simplify right side
    1,071,356.51x = 869,276,329,546.16
  5. Step 5: Solve for x
    x = 869,276,329,546.16/1,071,356.51
  6. Step 6: Final answer
    x = 811,379.15

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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.