Home / 779,113.89-1,075,178.25-439,613.73

Finding the Fourth Proportional to 779,113.89, 1,075,178.25 and 439,613.73

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Solution

The fourth proportional to 779,113.89, 1,075,178.25 and 439,613.73 is: 606,667.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    779,113.89 : 1,075,178.25 = 439,613.73 : x
  2. Step 2: Convert to fraction form
    779,113.89/1,075,178.25 = 439,613.73/x
  3. Step 3: Cross multiply
    779,113.89x = 1,075,178.25 × 439,613.73
  4. Step 4: Simplify right side
    779,113.89x = 472,663,120,897.37
  5. Step 5: Solve for x
    x = 472,663,120,897.37/779,113.89
  6. Step 6: Final answer
    x = 606,667.56

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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.