Home / 866,554.60-1,299,513.42-297,774.40

Finding the Fourth Proportional to 866,554.60, 1,299,513.42 and 297,774.40

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Solution

The fourth proportional to 866,554.60, 1,299,513.42 and 297,774.40 is: 446,552.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    866,554.60 : 1,299,513.42 = 297,774.40 : x
  2. Step 2: Convert to fraction form
    866,554.60/1,299,513.42 = 297,774.40/x
  3. Step 3: Cross multiply
    866,554.60x = 1,299,513.42 × 297,774.40
  4. Step 4: Simplify right side
    866,554.60x = 386,961,828,932.45
  5. Step 5: Solve for x
    x = 386,961,828,932.45/866,554.60
  6. Step 6: Final answer
    x = 446,552.16

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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.