Home / 779,096.89-1,075,154.75-439,596.73

Finding the Fourth Proportional to 779,096.89, 1,075,154.75 and 439,596.73

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Solution

The fourth proportional to 779,096.89, 1,075,154.75 and 439,596.73 is: 606,644.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    779,096.89 : 1,075,154.75 = 439,596.73 : x
  2. Step 2: Convert to fraction form
    779,096.89/1,075,154.75 = 439,596.73/x
  3. Step 3: Cross multiply
    779,096.89x = 1,075,154.75 × 439,596.73
  4. Step 4: Simplify right side
    779,096.89x = 472,634,512,343.97
  5. Step 5: Solve for x
    x = 472,634,512,343.97/779,096.89
  6. Step 6: Final answer
    x = 606,644.08

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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.