Home / 909,166.74-1,255,461.10-866,097.87

Finding the Fourth Proportional to 909,166.74, 1,255,461.10 and 866,097.87

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Solution

The fourth proportional to 909,166.74, 1,255,461.10 and 866,097.87 is: 1,195,987.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    909,166.74 : 1,255,461.10 = 866,097.87 : x
  2. Step 2: Convert to fraction form
    909,166.74/1,255,461.10 = 866,097.87/x
  3. Step 3: Cross multiply
    909,166.74x = 1,255,461.10 × 866,097.87
  4. Step 4: Simplify right side
    909,166.74x = 1,087,352,182,412.61
  5. Step 5: Solve for x
    x = 1,087,352,182,412.61/909,166.74
  6. Step 6: Final answer
    x = 1,195,987.64

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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.