Home / 1,571,400.78-2,168,547.38-951,220.20

Finding the Fourth Proportional to 1,571,400.78, 2,168,547.38 and 951,220.20

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Solution

The fourth proportional to 1,571,400.78, 2,168,547.38 and 951,220.20 is: 1,312,692.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,571,400.78 : 2,168,547.38 = 951,220.20 : x
  2. Step 2: Convert to fraction form
    1,571,400.78/2,168,547.38 = 951,220.20/x
  3. Step 3: Cross multiply
    1,571,400.78x = 2,168,547.38 × 951,220.20
  4. Step 4: Simplify right side
    1,571,400.78x = 2,062,766,072,513.08
  5. Step 5: Solve for x
    x = 2,062,766,072,513.08/1,571,400.78
  6. Step 6: Final answer
    x = 1,312,692.53

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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.