Home / 719,350.80-1,078,940.09-559,586.35

Finding the Fourth Proportional to 719,350.80, 1,078,940.09 and 559,586.35

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Solution

The fourth proportional to 719,350.80, 1,078,940.09 and 559,586.35 is: 839,312.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    719,350.80 : 1,078,940.09 = 559,586.35 : x
  2. Step 2: Convert to fraction form
    719,350.80/1,078,940.09 = 559,586.35/x
  3. Step 3: Cross multiply
    719,350.80x = 1,078,940.09 × 559,586.35
  4. Step 4: Simplify right side
    719,350.80x = 603,760,146,831.77
  5. Step 5: Solve for x
    x = 603,760,146,831.77/719,350.80
  6. Step 6: Final answer
    x = 839,312.54

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1.5x scale

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.