Home / 877,544.10-1,316,316.15-777,816.90

Finding the Fourth Proportional to 877,544.10, 1,316,316.15 and 777,816.90

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Solution

The fourth proportional to 877,544.10, 1,316,316.15 and 777,816.90 is: 1,166,725.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    877,544.10 : 1,316,316.15 = 777,816.90 : x
  2. Step 2: Convert to fraction form
    877,544.10/1,316,316.15 = 777,816.90/x
  3. Step 3: Cross multiply
    877,544.10x = 1,316,316.15 × 777,816.90
  4. Step 4: Simplify right side
    877,544.10x = 1,023,852,947,212.94
  5. Step 5: Solve for x
    x = 1,023,852,947,212.94/877,544.10
  6. Step 6: Final answer
    x = 1,166,725.35

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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.