Home / 1,717,713.40-2,576,570.10-438,318.40

Finding the Fourth Proportional to 1,717,713.40, 2,576,570.10 and 438,318.40

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Solution

The fourth proportional to 1,717,713.40, 2,576,570.10 and 438,318.40 is: 657,477.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,717,713.40 : 2,576,570.10 = 438,318.40 : x
  2. Step 2: Convert to fraction form
    1,717,713.40/2,576,570.10 = 438,318.40/x
  3. Step 3: Cross multiply
    1,717,713.40x = 2,576,570.10 × 438,318.40
  4. Step 4: Simplify right side
    1,717,713.40x = 1,129,358,083,719.84
  5. Step 5: Solve for x
    x = 1,129,358,083,719.84/1,717,713.40
  6. Step 6: Final answer
    x = 657,477.60

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