Home / 971,147.13-1,340,153.69-535,564.25

Finding the Fourth Proportional to 971,147.13, 1,340,153.69 and 535,564.25

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Solution

The fourth proportional to 971,147.13, 1,340,153.69 and 535,564.25 is: 739,062.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    971,147.13 : 1,340,153.69 = 535,564.25 : x
  2. Step 2: Convert to fraction form
    971,147.13/1,340,153.69 = 535,564.25/x
  3. Step 3: Cross multiply
    971,147.13x = 1,340,153.69 × 535,564.25
  4. Step 4: Simplify right side
    971,147.13x = 717,738,406,542.15
  5. Step 5: Solve for x
    x = 717,738,406,542.15/971,147.13
  6. Step 6: Final answer
    x = 739,062.48

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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.