Home / 1,016,900.76-1,403,410.20-558,103.98

Finding the Fourth Proportional to 1,016,900.76, 1,403,410.20 and 558,103.98

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Solution

The fourth proportional to 1,016,900.76, 1,403,410.20 and 558,103.98 is: 770,231.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,016,900.76 : 1,403,410.20 = 558,103.98 : x
  2. Step 2: Convert to fraction form
    1,016,900.76/1,403,410.20 = 558,103.98/x
  3. Step 3: Cross multiply
    1,016,900.76x = 1,403,410.20 × 558,103.98
  4. Step 4: Simplify right side
    1,016,900.76x = 783,248,818,192.60
  5. Step 5: Solve for x
    x = 783,248,818,192.60/1,016,900.76
  6. Step 6: Final answer
    x = 770,231.32

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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.