Home / 1,434,219-2,151,426.96-474,672.84

Finding the Fourth Proportional to 1,434,219, 2,151,426.96 and 474,672.84

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Solution

The fourth proportional to 1,434,219, 2,151,426.96 and 474,672.84 is: 712,041.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,434,219 : 2,151,426.96 = 474,672.84 : x
  2. Step 2: Convert to fraction form
    1,434,219/2,151,426.96 = 474,672.84/x
  3. Step 3: Cross multiply
    1,434,219x = 2,151,426.96 × 474,672.84
  4. Step 4: Simplify right side
    1,434,219x = 1,021,223,945,155.77
  5. Step 5: Solve for x
    x = 1,021,223,945,155.77/1,434,219
  6. Step 6: Final answer
    x = 712,041.85

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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.