Home / 697,146.12-1,045,697.22-198,510.12

Finding the Fourth Proportional to 697,146.12, 1,045,697.22 and 198,510.12

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Solution

The fourth proportional to 697,146.12, 1,045,697.22 and 198,510.12 is: 297,758.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    697,146.12 : 1,045,697.22 = 198,510.12 : x
  2. Step 2: Convert to fraction form
    697,146.12/1,045,697.22 = 198,510.12/x
  3. Step 3: Cross multiply
    697,146.12x = 1,045,697.22 × 198,510.12
  4. Step 4: Simplify right side
    697,146.12x = 207,581,480,625.87
  5. Step 5: Solve for x
    x = 207,581,480,625.87/697,146.12
  6. Step 6: Final answer
    x = 297,758.93

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Double scale
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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.