Home / 935,072.16-1,290,399.78-532,664.16

Finding the Fourth Proportional to 935,072.16, 1,290,399.78 and 532,664.16

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Solution

The fourth proportional to 935,072.16, 1,290,399.78 and 532,664.16 is: 735,076.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    935,072.16 : 1,290,399.78 = 532,664.16 : x
  2. Step 2: Convert to fraction form
    935,072.16/1,290,399.78 = 532,664.16/x
  3. Step 3: Cross multiply
    935,072.16x = 1,290,399.78 × 532,664.16
  4. Step 4: Simplify right side
    935,072.16x = 687,349,714,877.89
  5. Step 5: Solve for x
    x = 687,349,714,877.89/935,072.16
  6. Step 6: Final answer
    x = 735,076.65

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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.