Home / 1,132,572.38-1,699,152.58-422,605.76

Finding the Fourth Proportional to 1,132,572.38, 1,699,152.58 and 422,605.76

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Solution

The fourth proportional to 1,132,572.38, 1,699,152.58 and 422,605.76 is: 634,018.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,132,572.38 : 1,699,152.58 = 422,605.76 : x
  2. Step 2: Convert to fraction form
    1,132,572.38/1,699,152.58 = 422,605.76/x
  3. Step 3: Cross multiply
    1,132,572.38x = 1,699,152.58 × 422,605.76
  4. Step 4: Simplify right side
    1,132,572.38x = 718,071,667,426.86
  5. Step 5: Solve for x
    x = 718,071,667,426.86/1,132,572.38
  6. Step 6: Final answer
    x = 634,018.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.