Home / 784,881.61-1,177,111.63-216,127.31

Finding the Fourth Proportional to 784,881.61, 1,177,111.63 and 216,127.31

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Solution

The fourth proportional to 784,881.61, 1,177,111.63 and 216,127.31 is: 324,132.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    784,881.61 : 1,177,111.63 = 216,127.31 : x
  2. Step 2: Convert to fraction form
    784,881.61/1,177,111.63 = 216,127.31/x
  3. Step 3: Cross multiply
    784,881.61x = 1,177,111.63 × 216,127.31
  4. Step 4: Simplify right side
    784,881.61x = 254,405,974,174.18
  5. Step 5: Solve for x
    x = 254,405,974,174.18/784,881.61
  6. Step 6: Final answer
    x = 324,132.93

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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.