Home / 910,790.10-1,366,056.09-572,799.78

Finding the Fourth Proportional to 910,790.10, 1,366,056.09 and 572,799.78

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Solution

The fourth proportional to 910,790.10, 1,366,056.09 and 572,799.78 is: 859,118.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    910,790.10 : 1,366,056.09 = 572,799.78 : x
  2. Step 2: Convert to fraction form
    910,790.10/1,366,056.09 = 572,799.78/x
  3. Step 3: Cross multiply
    910,790.10x = 1,366,056.09 × 572,799.78
  4. Step 4: Simplify right side
    910,790.10x = 782,476,627,819.66
  5. Step 5: Solve for x
    x = 782,476,627,819.66/910,790.10
  6. Step 6: Final answer
    x = 859,118.50

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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.