Home / 935,578.45-1,290,803.52-572,623.93

Finding the Fourth Proportional to 935,578.45, 1,290,803.52 and 572,623.93

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Solution

The fourth proportional to 935,578.45, 1,290,803.52 and 572,623.93 is: 790,040.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    935,578.45 : 1,290,803.52 = 572,623.93 : x
  2. Step 2: Convert to fraction form
    935,578.45/1,290,803.52 = 572,623.93/x
  3. Step 3: Cross multiply
    935,578.45x = 1,290,803.52 × 572,623.93
  4. Step 4: Simplify right side
    935,578.45x = 739,144,984,480.23
  5. Step 5: Solve for x
    x = 739,144,984,480.23/935,578.45
  6. Step 6: Final answer
    x = 790,040.63

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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.