Home / 832,082.30-1,248,123.45-692,114.30

Finding the Fourth Proportional to 832,082.30, 1,248,123.45 and 692,114.30

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Solution

The fourth proportional to 832,082.30, 1,248,123.45 and 692,114.30 is: 1,038,171.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    832,082.30 : 1,248,123.45 = 692,114.30 : x
  2. Step 2: Convert to fraction form
    832,082.30/1,248,123.45 = 692,114.30/x
  3. Step 3: Cross multiply
    832,082.30x = 1,248,123.45 × 692,114.30
  4. Step 4: Simplify right side
    832,082.30x = 863,844,087,910.34
  5. Step 5: Solve for x
    x = 863,844,087,910.34/832,082.30
  6. Step 6: Final answer
    x = 1,038,171.45

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.