Home / 959,746.86-1,439,472.63-320,061.78

Finding the Fourth Proportional to 959,746.86, 1,439,472.63 and 320,061.78

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Solution

The fourth proportional to 959,746.86, 1,439,472.63 and 320,061.78 is: 480,043.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    959,746.86 : 1,439,472.63 = 320,061.78 : x
  2. Step 2: Convert to fraction form
    959,746.86/1,439,472.63 = 320,061.78/x
  3. Step 3: Cross multiply
    959,746.86x = 1,439,472.63 × 320,061.78
  4. Step 4: Simplify right side
    959,746.86x = 460,720,172,219.08
  5. Step 5: Solve for x
    x = 460,720,172,219.08/959,746.86
  6. Step 6: Final answer
    x = 480,043.43

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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.