Home / 935,578.20-1,290,803.16-572,623.68

Finding the Fourth Proportional to 935,578.20, 1,290,803.16 and 572,623.68

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Solution

The fourth proportional to 935,578.20, 1,290,803.16 and 572,623.68 is: 790,040.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    935,578.20 : 1,290,803.16 = 572,623.68 : x
  2. Step 2: Convert to fraction form
    935,578.20/1,290,803.16 = 572,623.68/x
  3. Step 3: Cross multiply
    935,578.20x = 1,290,803.16 × 572,623.68
  4. Step 4: Simplify right side
    935,578.20x = 739,144,455,634.83
  5. Step 5: Solve for x
    x = 739,144,455,634.83/935,578.20
  6. Step 6: Final answer
    x = 790,040.27

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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.