Home / 818,806.17-1,130,421.42-547,333.86

Finding the Fourth Proportional to 818,806.17, 1,130,421.42 and 547,333.86

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Solution

The fourth proportional to 818,806.17, 1,130,421.42 and 547,333.86 is: 755,634.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    818,806.17 : 1,130,421.42 = 547,333.86 : x
  2. Step 2: Convert to fraction form
    818,806.17/1,130,421.42 = 547,333.86/x
  3. Step 3: Cross multiply
    818,806.17x = 1,130,421.42 × 547,333.86
  4. Step 4: Simplify right side
    818,806.17x = 618,717,919,235.28
  5. Step 5: Solve for x
    x = 618,717,919,235.28/818,806.17
  6. Step 6: Final answer
    x = 755,634.17

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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.