Home / 927,543.02-1,391,090.74-387,507.57

Finding the Fourth Proportional to 927,543.02, 1,391,090.74 and 387,507.57

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Solution

The fourth proportional to 927,543.02, 1,391,090.74 and 387,507.57 is: 581,167.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    927,543.02 : 1,391,090.74 = 387,507.57 : x
  2. Step 2: Convert to fraction form
    927,543.02/1,391,090.74 = 387,507.57/x
  3. Step 3: Cross multiply
    927,543.02x = 1,391,090.74 × 387,507.57
  4. Step 4: Simplify right side
    927,543.02x = 539,058,186,121.54
  5. Step 5: Solve for x
    x = 539,058,186,121.54/927,543.02
  6. Step 6: Final answer
    x = 581,167.86

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.