Home / 758,816.04-1,047,187.26-419,306.52

Finding the Fourth Proportional to 758,816.04, 1,047,187.26 and 419,306.52

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Solution

The fourth proportional to 758,816.04, 1,047,187.26 and 419,306.52 is: 578,654.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    758,816.04 : 1,047,187.26 = 419,306.52 : x
  2. Step 2: Convert to fraction form
    758,816.04/1,047,187.26 = 419,306.52/x
  3. Step 3: Cross multiply
    758,816.04x = 1,047,187.26 × 419,306.52
  4. Step 4: Simplify right side
    758,816.04x = 439,092,445,778.94
  5. Step 5: Solve for x
    x = 439,092,445,778.94/758,816.04
  6. Step 6: Final answer
    x = 578,654.67

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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.