Home / 829,370.16-1,143,484.56-542,435.76

Finding the Fourth Proportional to 829,370.16, 1,143,484.56 and 542,435.76

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Solution

The fourth proportional to 829,370.16, 1,143,484.56 and 542,435.76 is: 747,877.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    829,370.16 : 1,143,484.56 = 542,435.76 : x
  2. Step 2: Convert to fraction form
    829,370.16/1,143,484.56 = 542,435.76/x
  3. Step 3: Cross multiply
    829,370.16x = 1,143,484.56 × 542,435.76
  4. Step 4: Simplify right side
    829,370.16x = 620,266,916,351.87
  5. Step 5: Solve for x
    x = 620,266,916,351.87/829,370.16
  6. Step 6: Final answer
    x = 747,877.06

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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.