Home / 1,111,192.38-1,533,437.28-627,748.74

Finding the Fourth Proportional to 1,111,192.38, 1,533,437.28 and 627,748.74

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Solution

The fourth proportional to 1,111,192.38, 1,533,437.28 and 627,748.74 is: 866,288.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,111,192.38 : 1,533,437.28 = 627,748.74 : x
  2. Step 2: Convert to fraction form
    1,111,192.38/1,533,437.28 = 627,748.74/x
  3. Step 3: Cross multiply
    1,111,192.38x = 1,533,437.28 × 627,748.74
  4. Step 4: Simplify right side
    1,111,192.38x = 962,613,320,389.03
  5. Step 5: Solve for x
    x = 962,613,320,389.03/1,111,192.38
  6. Step 6: Final answer
    x = 866,288.63

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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.