Home / 569,938.96-786,538.92-315,285.76

Finding the Fourth Proportional to 569,938.96, 786,538.92 and 315,285.76

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Solution

The fourth proportional to 569,938.96, 786,538.92 and 315,285.76 is: 435,107.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    569,938.96 : 786,538.92 = 315,285.76 : x
  2. Step 2: Convert to fraction form
    569,938.96/786,538.92 = 315,285.76/x
  3. Step 3: Cross multiply
    569,938.96x = 786,538.92 × 315,285.76
  4. Step 4: Simplify right side
    569,938.96x = 247,984,521,161.78
  5. Step 5: Solve for x
    x = 247,984,521,161.78/569,938.96
  6. Step 6: Final answer
    x = 435,107.16

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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.