Home / 1,299,347.34-1,948,134.06-692,226.42

Finding the Fourth Proportional to 1,299,347.34, 1,948,134.06 and 692,226.42

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Solution

The fourth proportional to 1,299,347.34, 1,948,134.06 and 692,226.42 is: 1,037,867.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,299,347.34 : 1,948,134.06 = 692,226.42 : x
  2. Step 2: Convert to fraction form
    1,299,347.34/1,948,134.06 = 692,226.42/x
  3. Step 3: Cross multiply
    1,299,347.34x = 1,948,134.06 × 692,226.42
  4. Step 4: Simplify right side
    1,299,347.34x = 1,348,549,866,033.87
  5. Step 5: Solve for x
    x = 1,348,549,866,033.87/1,299,347.34
  6. Step 6: Final answer
    x = 1,037,867.11

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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.