Home / 1,103,246.70-1,655,064.45-393,686.70

Finding the Fourth Proportional to 1,103,246.70, 1,655,064.45 and 393,686.70

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Solution

The fourth proportional to 1,103,246.70, 1,655,064.45 and 393,686.70 is: 590,599.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,103,246.70 : 1,655,064.45 = 393,686.70 : x
  2. Step 2: Convert to fraction form
    1,103,246.70/1,655,064.45 = 393,686.70/x
  3. Step 3: Cross multiply
    1,103,246.70x = 1,655,064.45 × 393,686.70
  4. Step 4: Simplify right side
    1,103,246.70x = 651,576,861,607.82
  5. Step 5: Solve for x
    x = 651,576,861,607.82/1,103,246.70
  6. Step 6: Final answer
    x = 590,599.42

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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.