Home / 1,111,101.60-1,533,444.65-627,697.89

Finding the Fourth Proportional to 1,111,101.60, 1,533,444.65 and 627,697.89

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Solution

The fourth proportional to 1,111,101.60, 1,533,444.65 and 627,697.89 is: 866,293.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,111,101.60 : 1,533,444.65 = 627,697.89 : x
  2. Step 2: Convert to fraction form
    1,111,101.60/1,533,444.65 = 627,697.89/x
  3. Step 3: Cross multiply
    1,111,101.60x = 1,533,444.65 × 627,697.89
  4. Step 4: Simplify right side
    1,111,101.60x = 962,539,970,452.17
  5. Step 5: Solve for x
    x = 962,539,970,452.17/1,111,101.60
  6. Step 6: Final answer
    x = 866,293.39

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1.5x scale

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.