Home / 891,603.40-1,337,405.10-536,434.60

Finding the Fourth Proportional to 891,603.40, 1,337,405.10 and 536,434.60

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Solution

The fourth proportional to 891,603.40, 1,337,405.10 and 536,434.60 is: 804,651.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    891,603.40 : 1,337,405.10 = 536,434.60 : x
  2. Step 2: Convert to fraction form
    891,603.40/1,337,405.10 = 536,434.60/x
  3. Step 3: Cross multiply
    891,603.40x = 1,337,405.10 × 536,434.60
  4. Step 4: Simplify right side
    891,603.40x = 717,430,369,856.46
  5. Step 5: Solve for x
    x = 717,430,369,856.46/891,603.40
  6. Step 6: Final answer
    x = 804,651.90

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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.