Home / 638,201.34-880,943.40-570,100.04

Finding the Fourth Proportional to 638,201.34, 880,943.40 and 570,100.04

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Solution

The fourth proportional to 638,201.34, 880,943.40 and 570,100.04 is: 786,939.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    638,201.34 : 880,943.40 = 570,100.04 : x
  2. Step 2: Convert to fraction form
    638,201.34/880,943.40 = 570,100.04/x
  3. Step 3: Cross multiply
    638,201.34x = 880,943.40 × 570,100.04
  4. Step 4: Simplify right side
    638,201.34x = 502,225,867,577.74
  5. Step 5: Solve for x
    x = 502,225,867,577.74/638,201.34
  6. Step 6: Final answer
    x = 786,939.54

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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.