Home / 972,222.57-1,341,667.24-536,640.05

Finding the Fourth Proportional to 972,222.57, 1,341,667.24 and 536,640.05

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Solution

The fourth proportional to 972,222.57, 1,341,667.24 and 536,640.05 is: 740,563.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    972,222.57 : 1,341,667.24 = 536,640.05 : x
  2. Step 2: Convert to fraction form
    972,222.57/1,341,667.24 = 536,640.05/x
  3. Step 3: Cross multiply
    972,222.57x = 1,341,667.24 × 536,640.05
  4. Step 4: Simplify right side
    972,222.57x = 719,992,376,769.53
  5. Step 5: Solve for x
    x = 719,992,376,769.53/972,222.57
  6. Step 6: Final answer
    x = 740,563.32

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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.