Home / 838,808.76-1,157,569.28-456,835.24

Finding the Fourth Proportional to 838,808.76, 1,157,569.28 and 456,835.24

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Solution

The fourth proportional to 838,808.76, 1,157,569.28 and 456,835.24 is: 630,439.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    838,808.76 : 1,157,569.28 = 456,835.24 : x
  2. Step 2: Convert to fraction form
    838,808.76/1,157,569.28 = 456,835.24/x
  3. Step 3: Cross multiply
    838,808.76x = 1,157,569.28 × 456,835.24
  4. Step 4: Simplify right side
    838,808.76x = 528,818,439,845.43
  5. Step 5: Solve for x
    x = 528,818,439,845.43/838,808.76
  6. Step 6: Final answer
    x = 630,439.82

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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.