Home / 684,461.18-944,682.80-439,751.85

Finding the Fourth Proportional to 684,461.18, 944,682.80 and 439,751.85

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Solution

The fourth proportional to 684,461.18, 944,682.80 and 439,751.85 is: 606,938.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    684,461.18 : 944,682.80 = 439,751.85 : x
  2. Step 2: Convert to fraction form
    684,461.18/944,682.80 = 439,751.85/x
  3. Step 3: Cross multiply
    684,461.18x = 944,682.80 × 439,751.85
  4. Step 4: Simplify right side
    684,461.18x = 415,426,006,764.42
  5. Step 5: Solve for x
    x = 415,426,006,764.42/684,461.18
  6. Step 6: Final answer
    x = 606,938.75

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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.