Home / 838,570.18-1,157,247.66-456,617.92

Finding the Fourth Proportional to 838,570.18, 1,157,247.66 and 456,617.92

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Solution

The fourth proportional to 838,570.18, 1,157,247.66 and 456,617.92 is: 630,144.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    838,570.18 : 1,157,247.66 = 456,617.92 : x
  2. Step 2: Convert to fraction form
    838,570.18/1,157,247.66 = 456,617.92/x
  3. Step 3: Cross multiply
    838,570.18x = 1,157,247.66 × 456,617.92
  4. Step 4: Simplify right side
    838,570.18x = 528,420,019,434.07
  5. Step 5: Solve for x
    x = 528,420,019,434.07/838,570.18
  6. Step 6: Final answer
    x = 630,144.06

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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.