Home / 1,277,172.64-1,916,505.84-709,032.16

Finding the Fourth Proportional to 1,277,172.64, 1,916,505.84 and 709,032.16

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Solution

The fourth proportional to 1,277,172.64, 1,916,505.84 and 709,032.16 is: 1,063,962.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,277,172.64 : 1,916,505.84 = 709,032.16 : x
  2. Step 2: Convert to fraction form
    1,277,172.64/1,916,505.84 = 709,032.16/x
  3. Step 3: Cross multiply
    1,277,172.64x = 1,916,505.84 × 709,032.16
  4. Step 4: Simplify right side
    1,277,172.64x = 1,358,864,275,387.81
  5. Step 5: Solve for x
    x = 1,358,864,275,387.81/1,277,172.64
  6. Step 6: Final answer
    x = 1,063,962.88

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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.