Home / 910,367.10-1,365,550.65-490,463.10

Finding the Fourth Proportional to 910,367.10, 1,365,550.65 and 490,463.10

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Solution

The fourth proportional to 910,367.10, 1,365,550.65 and 490,463.10 is: 735,694.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    910,367.10 : 1,365,550.65 = 490,463.10 : x
  2. Step 2: Convert to fraction form
    910,367.10/1,365,550.65 = 490,463.10/x
  3. Step 3: Cross multiply
    910,367.10x = 1,365,550.65 × 490,463.10
  4. Step 4: Simplify right side
    910,367.10x = 669,752,205,006.02
  5. Step 5: Solve for x
    x = 669,752,205,006.02/910,367.10
  6. Step 6: Final answer
    x = 735,694.65

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Double scale
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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.