Home / 746,303.40-1,119,455.10-185,337.90

Finding the Fourth Proportional to 746,303.40, 1,119,455.10 and 185,337.90

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Solution

The fourth proportional to 746,303.40, 1,119,455.10 and 185,337.90 is: 278,006.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    746,303.40 : 1,119,455.10 = 185,337.90 : x
  2. Step 2: Convert to fraction form
    746,303.40/1,119,455.10 = 185,337.90/x
  3. Step 3: Cross multiply
    746,303.40x = 1,119,455.10 × 185,337.90
  4. Step 4: Simplify right side
    746,303.40x = 207,477,457,378.29
  5. Step 5: Solve for x
    x = 207,477,457,378.29/746,303.40
  6. Step 6: Final answer
    x = 278,006.85

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Half scale
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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.