Home / 731,435.57-1,008,939.72-483,079.04

Finding the Fourth Proportional to 731,435.57, 1,008,939.72 and 483,079.04

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Solution

The fourth proportional to 731,435.57, 1,008,939.72 and 483,079.04 is: 666,357.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    731,435.57 : 1,008,939.72 = 483,079.04 : x
  2. Step 2: Convert to fraction form
    731,435.57/1,008,939.72 = 483,079.04/x
  3. Step 3: Cross multiply
    731,435.57x = 1,008,939.72 × 483,079.04
  4. Step 4: Simplify right side
    731,435.57x = 487,397,630,547.18
  5. Step 5: Solve for x
    x = 487,397,630,547.18/731,435.57
  6. Step 6: Final answer
    x = 666,357.57

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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.