Home / 760,150.90-1,140,226.35-748,341.10

Finding the Fourth Proportional to 760,150.90, 1,140,226.35 and 748,341.10

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Solution

The fourth proportional to 760,150.90, 1,140,226.35 and 748,341.10 is: 1,122,511.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    760,150.90 : 1,140,226.35 = 748,341.10 : x
  2. Step 2: Convert to fraction form
    760,150.90/1,140,226.35 = 748,341.10/x
  3. Step 3: Cross multiply
    760,150.90x = 1,140,226.35 × 748,341.10
  4. Step 4: Simplify right side
    760,150.90x = 853,278,241,007.99
  5. Step 5: Solve for x
    x = 853,278,241,007.99/760,150.90
  6. Step 6: Final answer
    x = 1,122,511.65

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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.