Home / 1,316,154.87-1,972,924.46-915,954.89

Finding the Fourth Proportional to 1,316,154.87, 1,972,924.46 and 915,954.89

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Solution

The fourth proportional to 1,316,154.87, 1,972,924.46 and 915,954.89 is: 1,373,022.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,316,154.87 : 1,972,924.46 = 915,954.89 : x
  2. Step 2: Convert to fraction form
    1,316,154.87/1,972,924.46 = 915,954.89/x
  3. Step 3: Cross multiply
    1,316,154.87x = 1,972,924.46 × 915,954.89
  4. Step 4: Simplify right side
    1,316,154.87x = 1,807,109,802,862.11
  5. Step 5: Solve for x
    x = 1,807,109,802,862.11/1,316,154.87
  6. Step 6: Final answer
    x = 1,373,022.16

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.