Home / 910,238.17-1,256,126.07-502,337.05

Finding the Fourth Proportional to 910,238.17, 1,256,126.07 and 502,337.05

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Solution

The fourth proportional to 910,238.17, 1,256,126.07 and 502,337.05 is: 693,223.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    910,238.17 : 1,256,126.07 = 502,337.05 : x
  2. Step 2: Convert to fraction form
    910,238.17/1,256,126.07 = 502,337.05/x
  3. Step 3: Cross multiply
    910,238.17x = 1,256,126.07 × 502,337.05
  4. Step 4: Simplify right side
    910,238.17x = 630,998,664,431.89
  5. Step 5: Solve for x
    x = 630,998,664,431.89/910,238.17
  6. Step 6: Final answer
    x = 693,223.69

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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.