Home / 909,061.46-1,254,513.53-501,178.22

Finding the Fourth Proportional to 909,061.46, 1,254,513.53 and 501,178.22

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Solution

The fourth proportional to 909,061.46, 1,254,513.53 and 501,178.22 is: 691,630.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    909,061.46 : 1,254,513.53 = 501,178.22 : x
  2. Step 2: Convert to fraction form
    909,061.46/1,254,513.53 = 501,178.22/x
  3. Step 3: Cross multiply
    909,061.46x = 1,254,513.53 × 501,178.22
  4. Step 4: Simplify right side
    909,061.46x = 628,734,855,425.43
  5. Step 5: Solve for x
    x = 628,734,855,425.43/909,061.46
  6. Step 6: Final answer
    x = 691,630.75

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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.