Home / 985,611.96-1,360,141.74-550,024.65

Finding the Fourth Proportional to 985,611.96, 1,360,141.74 and 550,024.65

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Solution

The fourth proportional to 985,611.96, 1,360,141.74 and 550,024.65 is: 759,032.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    985,611.96 : 1,360,141.74 = 550,024.65 : x
  2. Step 2: Convert to fraction form
    985,611.96/1,360,141.74 = 550,024.65/x
  3. Step 3: Cross multiply
    985,611.96x = 1,360,141.74 × 550,024.65
  4. Step 4: Simplify right side
    985,611.96x = 748,111,484,493.89
  5. Step 5: Solve for x
    x = 748,111,484,493.89/985,611.96
  6. Step 6: Final answer
    x = 759,032.47

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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.