Home / 731,058.90-1,096,588.35-310,280.10

Finding the Fourth Proportional to 731,058.90, 1,096,588.35 and 310,280.10

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Solution

The fourth proportional to 731,058.90, 1,096,588.35 and 310,280.10 is: 465,420.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    731,058.90 : 1,096,588.35 = 310,280.10 : x
  2. Step 2: Convert to fraction form
    731,058.90/1,096,588.35 = 310,280.10/x
  3. Step 3: Cross multiply
    731,058.90x = 1,096,588.35 × 310,280.10
  4. Step 4: Simplify right side
    731,058.90x = 340,249,542,896.84
  5. Step 5: Solve for x
    x = 340,249,542,896.84/731,058.90
  6. Step 6: Final answer
    x = 465,420.15

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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.