Home / 771,024.15-1,064,496.32-495,493.74

Finding the Fourth Proportional to 771,024.15, 1,064,496.32 and 495,493.74

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Solution

The fourth proportional to 771,024.15, 1,064,496.32 and 495,493.74 is: 684,091.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    771,024.15 : 1,064,496.32 = 495,493.74 : x
  2. Step 2: Convert to fraction form
    771,024.15/1,064,496.32 = 495,493.74/x
  3. Step 3: Cross multiply
    771,024.15x = 1,064,496.32 × 495,493.74
  4. Step 4: Simplify right side
    771,024.15x = 527,451,262,813.04
  5. Step 5: Solve for x
    x = 527,451,262,813.04/771,024.15
  6. Step 6: Final answer
    x = 684,091.75

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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.