Home / 910,875.60-1,366,313.40-612,277.20

Finding the Fourth Proportional to 910,875.60, 1,366,313.40 and 612,277.20

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Solution

The fourth proportional to 910,875.60, 1,366,313.40 and 612,277.20 is: 918,415.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    910,875.60 : 1,366,313.40 = 612,277.20 : x
  2. Step 2: Convert to fraction form
    910,875.60/1,366,313.40 = 612,277.20/x
  3. Step 3: Cross multiply
    910,875.60x = 1,366,313.40 × 612,277.20
  4. Step 4: Simplify right side
    910,875.60x = 836,562,542,874.48
  5. Step 5: Solve for x
    x = 836,562,542,874.48/910,875.60
  6. Step 6: Final answer
    x = 918,415.80

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Similar ratio
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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.