Home / 460,430.94-690,641.57-179,945.76

Finding the Fourth Proportional to 460,430.94, 690,641.57 and 179,945.76

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Solution

The fourth proportional to 460,430.94, 690,641.57 and 179,945.76 is: 269,916.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    460,430.94 : 690,641.57 = 179,945.76 : x
  2. Step 2: Convert to fraction form
    460,430.94/690,641.57 = 179,945.76/x
  3. Step 3: Cross multiply
    460,430.94x = 690,641.57 × 179,945.76
  4. Step 4: Simplify right side
    460,430.94x = 124,278,021,301.51
  5. Step 5: Solve for x
    x = 124,278,021,301.51/460,430.94
  6. Step 6: Final answer
    x = 269,916.75

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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.