Home / 860,366.40-1,289,383.20-575,246.40

Finding the Fourth Proportional to 860,366.40, 1,289,383.20 and 575,246.40

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Solution

The fourth proportional to 860,366.40, 1,289,383.20 and 575,246.40 is: 862,089.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    860,366.40 : 1,289,383.20 = 575,246.40 : x
  2. Step 2: Convert to fraction form
    860,366.40/1,289,383.20 = 575,246.40/x
  3. Step 3: Cross multiply
    860,366.40x = 1,289,383.20 × 575,246.40
  4. Step 4: Simplify right side
    860,366.40x = 741,713,044,020.48
  5. Step 5: Solve for x
    x = 741,713,044,020.48/860,366.40
  6. Step 6: Final answer
    x = 862,089.74

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Double scale
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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.