Home / 779,097.89-1,075,156.13-439,597.73

Finding the Fourth Proportional to 779,097.89, 1,075,156.13 and 439,597.73

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Solution

The fourth proportional to 779,097.89, 1,075,156.13 and 439,597.73 is: 606,645.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    779,097.89 : 1,075,156.13 = 439,597.73 : x
  2. Step 2: Convert to fraction form
    779,097.89/1,075,156.13 = 439,597.73/x
  3. Step 3: Cross multiply
    779,097.89x = 1,075,156.13 × 439,597.73
  4. Step 4: Simplify right side
    779,097.89x = 472,636,194,143.59
  5. Step 5: Solve for x
    x = 472,636,194,143.59/779,097.89
  6. Step 6: Final answer
    x = 606,645.46

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Double scale
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Similar ratio
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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.