Home / 1,266,099.60-1,747,238.28-693,130.32

Finding the Fourth Proportional to 1,266,099.60, 1,747,238.28 and 693,130.32

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Solution

The fourth proportional to 1,266,099.60, 1,747,238.28 and 693,130.32 is: 956,531.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,266,099.60 : 1,747,238.28 = 693,130.32 : x
  2. Step 2: Convert to fraction form
    1,266,099.60/1,747,238.28 = 693,130.32/x
  3. Step 3: Cross multiply
    1,266,099.60x = 1,747,238.28 × 693,130.32
  4. Step 4: Simplify right side
    1,266,099.60x = 1,211,063,828,132.65
  5. Step 5: Solve for x
    x = 1,211,063,828,132.65/1,266,099.60
  6. Step 6: Final answer
    x = 956,531.25

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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.