Home / 942,476.45-1,300,639.97-534,605.81

Finding the Fourth Proportional to 942,476.45, 1,300,639.97 and 534,605.81

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Solution

The fourth proportional to 942,476.45, 1,300,639.97 and 534,605.81 is: 737,768.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    942,476.45 : 1,300,639.97 = 534,605.81 : x
  2. Step 2: Convert to fraction form
    942,476.45/1,300,639.97 = 534,605.81/x
  3. Step 3: Cross multiply
    942,476.45x = 1,300,639.97 × 534,605.81
  4. Step 4: Simplify right side
    942,476.45x = 695,329,684,680.23
  5. Step 5: Solve for x
    x = 695,329,684,680.23/942,476.45
  6. Step 6: Final answer
    x = 737,768.76

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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.