Home / 483,036.04-666,126.48-310,778.20

Finding the Fourth Proportional to 483,036.04, 666,126.48 and 310,778.20

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Solution

The fourth proportional to 483,036.04, 666,126.48 and 310,778.20 is: 428,575.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,036.04 : 666,126.48 = 310,778.20 : x
  2. Step 2: Convert to fraction form
    483,036.04/666,126.48 = 310,778.20/x
  3. Step 3: Cross multiply
    483,036.04x = 666,126.48 × 310,778.20
  4. Step 4: Simplify right side
    483,036.04x = 207,017,588,426.74
  5. Step 5: Solve for x
    x = 207,017,588,426.74/483,036.04
  6. Step 6: Final answer
    x = 428,575.86

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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.