Home / 758,817.33-1,047,160.49-419,278.29

Finding the Fourth Proportional to 758,817.33, 1,047,160.49 and 419,278.29

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Solution

The fourth proportional to 758,817.33, 1,047,160.49 and 419,278.29 is: 578,599.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    758,817.33 : 1,047,160.49 = 419,278.29 : x
  2. Step 2: Convert to fraction form
    758,817.33/1,047,160.49 = 419,278.29/x
  3. Step 3: Cross multiply
    758,817.33x = 1,047,160.49 × 419,278.29
  4. Step 4: Simplify right side
    758,817.33x = 439,051,657,506.37
  5. Step 5: Solve for x
    x = 439,051,657,506.37/758,817.33
  6. Step 6: Final answer
    x = 578,599.93

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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.