Home / 818,178.03-1,129,284.32-473,958.18

Finding the Fourth Proportional to 818,178.03, 1,129,284.32 and 473,958.18

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Solution

The fourth proportional to 818,178.03, 1,129,284.32 and 473,958.18 is: 654,177.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    818,178.03 : 1,129,284.32 = 473,958.18 : x
  2. Step 2: Convert to fraction form
    818,178.03/1,129,284.32 = 473,958.18/x
  3. Step 3: Cross multiply
    818,178.03x = 1,129,284.32 × 473,958.18
  4. Step 4: Simplify right side
    818,178.03x = 535,233,538,639.95
  5. Step 5: Solve for x
    x = 535,233,538,639.95/818,178.03
  6. Step 6: Final answer
    x = 654,177.35

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Double scale
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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.