Home / 1,285,280.28-1,773,686.95-712,357.44

Finding the Fourth Proportional to 1,285,280.28, 1,773,686.95 and 712,357.44

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Solution

The fourth proportional to 1,285,280.28, 1,773,686.95 and 712,357.44 is: 983,053.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,285,280.28 : 1,773,686.95 = 712,357.44 : x
  2. Step 2: Convert to fraction form
    1,285,280.28/1,773,686.95 = 712,357.44/x
  3. Step 3: Cross multiply
    1,285,280.28x = 1,773,686.95 × 712,357.44
  4. Step 4: Simplify right side
    1,285,280.28x = 1,263,499,095,063.41
  5. Step 5: Solve for x
    x = 1,263,499,095,063.41/1,285,280.28
  6. Step 6: Final answer
    x = 983,053.36

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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.