Home / 838,885.61-1,157,661.52-456,912.39

Finding the Fourth Proportional to 838,885.61, 1,157,661.52 and 456,912.39

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Solution

The fourth proportional to 838,885.61, 1,157,661.52 and 456,912.39 is: 630,538.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    838,885.61 : 1,157,661.52 = 456,912.39 : x
  2. Step 2: Convert to fraction form
    838,885.61/1,157,661.52 = 456,912.39/x
  3. Step 3: Cross multiply
    838,885.61x = 1,157,661.52 × 456,912.39
  4. Step 4: Simplify right side
    838,885.61x = 528,949,895,113.18
  5. Step 5: Solve for x
    x = 528,949,895,113.18/838,885.61
  6. Step 6: Final answer
    x = 630,538.76

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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.