Home / 1,397,982.56-1,929,176.93-847,024.50

Finding the Fourth Proportional to 1,397,982.56, 1,929,176.93 and 847,024.50

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Solution

The fourth proportional to 1,397,982.56, 1,929,176.93 and 847,024.50 is: 1,168,870.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,397,982.56 : 1,929,176.93 = 847,024.50 : x
  2. Step 2: Convert to fraction form
    1,397,982.56/1,929,176.93 = 847,024.50/x
  3. Step 3: Cross multiply
    1,397,982.56x = 1,929,176.93 × 847,024.50
  4. Step 4: Simplify right side
    1,397,982.56x = 1,634,060,133,896.76
  5. Step 5: Solve for x
    x = 1,634,060,133,896.76/1,397,982.56
  6. Step 6: Final answer
    x = 1,168,870.19

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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.