Home / 987,064.23-1,362,149.10-534,355.23

Finding the Fourth Proportional to 987,064.23, 1,362,149.10 and 534,355.23

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Solution

The fourth proportional to 987,064.23, 1,362,149.10 and 534,355.23 is: 737,410.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    987,064.23 : 1,362,149.10 = 534,355.23 : x
  2. Step 2: Convert to fraction form
    987,064.23/1,362,149.10 = 534,355.23/x
  3. Step 3: Cross multiply
    987,064.23x = 1,362,149.10 × 534,355.23
  4. Step 4: Simplify right side
    987,064.23x = 727,871,495,624.79
  5. Step 5: Solve for x
    x = 727,871,495,624.79/987,064.23
  6. Step 6: Final answer
    x = 737,410.47

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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.