Home / 877,358.20-1,210,758.18-474,950.20

Finding the Fourth Proportional to 877,358.20, 1,210,758.18 and 474,950.20

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Solution

The fourth proportional to 877,358.20, 1,210,758.18 and 474,950.20 is: 655,433.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    877,358.20 : 1,210,758.18 = 474,950.20 : x
  2. Step 2: Convert to fraction form
    877,358.20/1,210,758.18 = 474,950.20/x
  3. Step 3: Cross multiply
    877,358.20x = 1,210,758.18 × 474,950.20
  4. Step 4: Simplify right side
    877,358.20x = 575,049,839,742.64
  5. Step 5: Solve for x
    x = 575,049,839,742.64/877,358.20
  6. Step 6: Final answer
    x = 655,433.37

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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 (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.