Home / 1,117,710.80-1,542,415.56-608,411.60

Finding the Fourth Proportional to 1,117,710.80, 1,542,415.56 and 608,411.60

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Solution

The fourth proportional to 1,117,710.80, 1,542,415.56 and 608,411.60 is: 839,594.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,117,710.80 : 1,542,415.56 = 608,411.60 : x
  2. Step 2: Convert to fraction form
    1,117,710.80/1,542,415.56 = 608,411.60/x
  3. Step 3: Cross multiply
    1,117,710.80x = 1,542,415.56 × 608,411.60
  4. Step 4: Simplify right side
    1,117,710.80x = 938,423,518,724.50
  5. Step 5: Solve for x
    x = 938,423,518,724.50/1,117,710.80
  6. Step 6: Final answer
    x = 839,594.21

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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.