Home / 927,819.23-1,389,366.23-611,316.59

Finding the Fourth Proportional to 927,819.23, 1,389,366.23 and 611,316.59

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Solution

The fourth proportional to 927,819.23, 1,389,366.23 and 611,316.59 is: 915,418.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    927,819.23 : 1,389,366.23 = 611,316.59 : x
  2. Step 2: Convert to fraction form
    927,819.23/1,389,366.23 = 611,316.59/x
  3. Step 3: Cross multiply
    927,819.23x = 1,389,366.23 × 611,316.59
  4. Step 4: Simplify right side
    927,819.23x = 849,342,615,981.34
  5. Step 5: Solve for x
    x = 849,342,615,981.34/927,819.23
  6. Step 6: Final answer
    x = 915,418.21

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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.