Home / 763,835.50-1,145,745.95-464,398.75

Finding the Fourth Proportional to 763,835.50, 1,145,745.95 and 464,398.75

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Solution

The fourth proportional to 763,835.50, 1,145,745.95 and 464,398.75 is: 696,593.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    763,835.50 : 1,145,745.95 = 464,398.75 : x
  2. Step 2: Convert to fraction form
    763,835.50/1,145,745.95 = 464,398.75/x
  3. Step 3: Cross multiply
    763,835.50x = 1,145,745.95 × 464,398.75
  4. Step 4: Simplify right side
    763,835.50x = 532,082,985,294.19
  5. Step 5: Solve for x
    x = 532,082,985,294.19/763,835.50
  6. Step 6: Final answer
    x = 696,593.69

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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.