Home / 1,293,989.15-1,785,681.11-705,293.66

Finding the Fourth Proportional to 1,293,989.15, 1,785,681.11 and 705,293.66

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Solution

The fourth proportional to 1,293,989.15, 1,785,681.11 and 705,293.66 is: 973,292.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,293,989.15 : 1,785,681.11 = 705,293.66 : x
  2. Step 2: Convert to fraction form
    1,293,989.15/1,785,681.11 = 705,293.66/x
  3. Step 3: Cross multiply
    1,293,989.15x = 1,785,681.11 × 705,293.66
  4. Step 4: Simplify right side
    1,293,989.15x = 1,259,429,571,892.20
  5. Step 5: Solve for x
    x = 1,259,429,571,892.20/1,293,989.15
  6. Step 6: Final answer
    x = 973,292.22

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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.