Home / 1,006,719.11-1,389,272.58-554,010.11

Finding the Fourth Proportional to 1,006,719.11, 1,389,272.58 and 554,010.11

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Solution

The fourth proportional to 1,006,719.11, 1,389,272.58 and 554,010.11 is: 764,534.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,006,719.11 : 1,389,272.58 = 554,010.11 : x
  2. Step 2: Convert to fraction form
    1,006,719.11/1,389,272.58 = 554,010.11/x
  3. Step 3: Cross multiply
    1,006,719.11x = 1,389,272.58 × 554,010.11
  4. Step 4: Simplify right side
    1,006,719.11x = 769,671,056,953.94
  5. Step 5: Solve for x
    x = 769,671,056,953.94/1,006,719.11
  6. Step 6: Final answer
    x = 764,534.07

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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.