Home / 761,702.40-1,142,553.60-193,082.40

Finding the Fourth Proportional to 761,702.40, 1,142,553.60 and 193,082.40

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Solution

The fourth proportional to 761,702.40, 1,142,553.60 and 193,082.40 is: 289,623.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    761,702.40 : 1,142,553.60 = 193,082.40 : x
  2. Step 2: Convert to fraction form
    761,702.40/1,142,553.60 = 193,082.40/x
  3. Step 3: Cross multiply
    761,702.40x = 1,142,553.60 × 193,082.40
  4. Step 4: Simplify right side
    761,702.40x = 220,606,991,216.64
  5. Step 5: Solve for x
    x = 220,606,991,216.64/761,702.40
  6. Step 6: Final answer
    x = 289,623.60

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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.