Home / 578,766.40-868,276.46-194,501.45

Finding the Fourth Proportional to 578,766.40, 868,276.46 and 194,501.45

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Solution

The fourth proportional to 578,766.40, 868,276.46 and 194,501.45 is: 291,794.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    578,766.40 : 868,276.46 = 194,501.45 : x
  2. Step 2: Convert to fraction form
    578,766.40/868,276.46 = 194,501.45/x
  3. Step 3: Cross multiply
    578,766.40x = 868,276.46 × 194,501.45
  4. Step 4: Simplify right side
    578,766.40x = 168,881,033,127.81
  5. Step 5: Solve for x
    x = 168,881,033,127.81/578,766.40
  6. Step 6: Final answer
    x = 291,794.81

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.