Home / 1,276,543.41-1,915,098.93-557,001.51

Finding the Fourth Proportional to 1,276,543.41, 1,915,098.93 and 557,001.51

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Solution

The fourth proportional to 1,276,543.41, 1,915,098.93 and 557,001.51 is: 835,626.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,276,543.41 : 1,915,098.93 = 557,001.51 : x
  2. Step 2: Convert to fraction form
    1,276,543.41/1,915,098.93 = 557,001.51/x
  3. Step 3: Cross multiply
    1,276,543.41x = 1,915,098.93 × 557,001.51
  4. Step 4: Simplify right side
    1,276,543.41x = 1,066,712,995,809.38
  5. Step 5: Solve for x
    x = 1,066,712,995,809.38/1,276,543.41
  6. Step 6: Final answer
    x = 835,626.10

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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.