Home / 826,495.11-1,140,641.31-482,303.22

Finding the Fourth Proportional to 826,495.11, 1,140,641.31 and 482,303.22

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Solution

The fourth proportional to 826,495.11, 1,140,641.31 and 482,303.22 is: 665,623.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    826,495.11 : 1,140,641.31 = 482,303.22 : x
  2. Step 2: Convert to fraction form
    826,495.11/1,140,641.31 = 482,303.22/x
  3. Step 3: Cross multiply
    826,495.11x = 1,140,641.31 × 482,303.22
  4. Step 4: Simplify right side
    826,495.11x = 550,134,976,678.02
  5. Step 5: Solve for x
    x = 550,134,976,678.02/826,495.11
  6. Step 6: Final answer
    x = 665,623.99

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.