Home / 738,111.40-1,105,611.90-613,695.40

Finding the Fourth Proportional to 738,111.40, 1,105,611.90 and 613,695.40

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Solution

The fourth proportional to 738,111.40, 1,105,611.90 and 613,695.40 is: 919,250.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    738,111.40 : 1,105,611.90 = 613,695.40 : x
  2. Step 2: Convert to fraction form
    738,111.40/1,105,611.90 = 613,695.40/x
  3. Step 3: Cross multiply
    738,111.40x = 1,105,611.90 × 613,695.40
  4. Step 4: Simplify right side
    738,111.40x = 678,508,937,215.26
  5. Step 5: Solve for x
    x = 678,508,937,215.26/738,111.40
  6. Step 6: Final answer
    x = 919,250.04

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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.