Home / 843,872.76-1,164,548.12-456,688.24

Finding the Fourth Proportional to 843,872.76, 1,164,548.12 and 456,688.24

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Solution

The fourth proportional to 843,872.76, 1,164,548.12 and 456,688.24 is: 630,231.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    843,872.76 : 1,164,548.12 = 456,688.24 : x
  2. Step 2: Convert to fraction form
    843,872.76/1,164,548.12 = 456,688.24/x
  3. Step 3: Cross multiply
    843,872.76x = 1,164,548.12 × 456,688.24
  4. Step 4: Simplify right side
    843,872.76x = 531,835,426,123.30
  5. Step 5: Solve for x
    x = 531,835,426,123.30/843,872.76
  6. Step 6: Final answer
    x = 630,231.77

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Double scale
Find fourth proportional to 843,873.76, 1,164,549.50 and 456,689.24
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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.