Home / 896,977.78-1,238,129.28-534,515.33

Finding the Fourth Proportional to 896,977.78, 1,238,129.28 and 534,515.33

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Solution

The fourth proportional to 896,977.78, 1,238,129.28 and 534,515.33 is: 737,809.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    896,977.78 : 1,238,129.28 = 534,515.33 : x
  2. Step 2: Convert to fraction form
    896,977.78/1,238,129.28 = 534,515.33/x
  3. Step 3: Cross multiply
    896,977.78x = 1,238,129.28 × 534,515.33
  4. Step 4: Simplify right side
    896,977.78x = 661,799,083,777.19
  5. Step 5: Solve for x
    x = 661,799,083,777.19/896,977.78
  6. Step 6: Final answer
    x = 737,809.90

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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.