Home / 838,738.86-1,157,451.66-456,772.02

Finding the Fourth Proportional to 838,738.86, 1,157,451.66 and 456,772.02

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Solution

The fourth proportional to 838,738.86, 1,157,451.66 and 456,772.02 is: 630,341.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    838,738.86 : 1,157,451.66 = 456,772.02 : x
  2. Step 2: Convert to fraction form
    838,738.86/1,157,451.66 = 456,772.02/x
  3. Step 3: Cross multiply
    838,738.86x = 1,157,451.66 × 456,772.02
  4. Step 4: Simplify right side
    838,738.86x = 528,691,532,790.55
  5. Step 5: Solve for x
    x = 528,691,532,790.55/838,738.86
  6. Step 6: Final answer
    x = 630,341.05

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1.5x scale

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.