Home / 1,015,490.92-1,401,392.90-556,601.96

Finding the Fourth Proportional to 1,015,490.92, 1,401,392.90 and 556,601.96

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Solution

The fourth proportional to 1,015,490.92, 1,401,392.90 and 556,601.96 is: 768,119.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,015,490.92 : 1,401,392.90 = 556,601.96 : x
  2. Step 2: Convert to fraction form
    1,015,490.92/1,401,392.90 = 556,601.96/x
  3. Step 3: Cross multiply
    1,015,490.92x = 1,401,392.90 × 556,601.96
  4. Step 4: Simplify right side
    1,015,490.92x = 780,018,034,870.08
  5. Step 5: Solve for x
    x = 780,018,034,870.08/1,015,490.92
  6. Step 6: Final answer
    x = 768,119.16

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Double scale
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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.