Home / 857,703.98-1,183,773.22-475,853.78

Finding the Fourth Proportional to 857,703.98, 1,183,773.22 and 475,853.78

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Solution

The fourth proportional to 857,703.98, 1,183,773.22 and 475,853.78 is: 656,756.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    857,703.98 : 1,183,773.22 = 475,853.78 : x
  2. Step 2: Convert to fraction form
    857,703.98/1,183,773.22 = 475,853.78/x
  3. Step 3: Cross multiply
    857,703.98x = 1,183,773.22 × 475,853.78
  4. Step 4: Simplify right side
    857,703.98x = 563,302,961,399.77
  5. Step 5: Solve for x
    x = 563,302,961,399.77/857,703.98
  6. Step 6: Final answer
    x = 656,756.85

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Double scale
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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.