Home / 1,001,216.58-1,381,670.73-542,320.53

Finding the Fourth Proportional to 1,001,216.58, 1,381,670.73 and 542,320.53

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Solution

The fourth proportional to 1,001,216.58, 1,381,670.73 and 542,320.53 is: 748,397.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,001,216.58 : 1,381,670.73 = 542,320.53 : x
  2. Step 2: Convert to fraction form
    1,001,216.58/1,381,670.73 = 542,320.53/x
  3. Step 3: Cross multiply
    1,001,216.58x = 1,381,670.73 × 542,320.53
  4. Step 4: Simplify right side
    1,001,216.58x = 749,308,402,579.09
  5. Step 5: Solve for x
    x = 749,308,402,579.09/1,001,216.58
  6. Step 6: Final answer
    x = 748,397.92

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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.