Home / 909,151.98-1,254,686.10-501,253.09

Finding the Fourth Proportional to 909,151.98, 1,254,686.10 and 501,253.09

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Solution

The fourth proportional to 909,151.98, 1,254,686.10 and 501,253.09 is: 691,760.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    909,151.98 : 1,254,686.10 = 501,253.09 : x
  2. Step 2: Convert to fraction form
    909,151.98/1,254,686.10 = 501,253.09/x
  3. Step 3: Cross multiply
    909,151.98x = 1,254,686.10 × 501,253.09
  4. Step 4: Simplify right side
    909,151.98x = 628,915,284,605.05
  5. Step 5: Solve for x
    x = 628,915,284,605.05/909,151.98
  6. Step 6: Final answer
    x = 691,760.34

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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.