Home / 1,372,510.74-2,058,899.14-425,627.22

Finding the Fourth Proportional to 1,372,510.74, 2,058,899.14 and 425,627.22

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Solution

The fourth proportional to 1,372,510.74, 2,058,899.14 and 425,627.22 is: 638,482.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,372,510.74 : 2,058,899.14 = 425,627.22 : x
  2. Step 2: Convert to fraction form
    1,372,510.74/2,058,899.14 = 425,627.22/x
  3. Step 3: Cross multiply
    1,372,510.74x = 2,058,899.14 × 425,627.22
  4. Step 4: Simplify right side
    1,372,510.74x = 876,323,517,218.59
  5. Step 5: Solve for x
    x = 876,323,517,218.59/1,372,510.74
  6. Step 6: Final answer
    x = 638,482.08

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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.