Home / 838,676.72-1,157,343.32-456,695.12

Finding the Fourth Proportional to 838,676.72, 1,157,343.32 and 456,695.12

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Solution

The fourth proportional to 838,676.72, 1,157,343.32 and 456,695.12 is: 630,222.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    838,676.72 : 1,157,343.32 = 456,695.12 : x
  2. Step 2: Convert to fraction form
    838,676.72/1,157,343.32 = 456,695.12/x
  3. Step 3: Cross multiply
    838,676.72x = 1,157,343.32 × 456,695.12
  4. Step 4: Simplify right side
    838,676.72x = 528,553,044,125.12
  5. Step 5: Solve for x
    x = 528,553,044,125.12/838,676.72
  6. Step 6: Final answer
    x = 630,222.63

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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.