Home / 1,209,864.95-1,814,374.54-356,710.18

Finding the Fourth Proportional to 1,209,864.95, 1,814,374.54 and 356,710.18

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Solution

The fourth proportional to 1,209,864.95, 1,814,374.54 and 356,710.18 is: 534,940.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,209,864.95 : 1,814,374.54 = 356,710.18 : x
  2. Step 2: Convert to fraction form
    1,209,864.95/1,814,374.54 = 356,710.18/x
  3. Step 3: Cross multiply
    1,209,864.95x = 1,814,374.54 × 356,710.18
  4. Step 4: Simplify right side
    1,209,864.95x = 647,205,866,056.23
  5. Step 5: Solve for x
    x = 647,205,866,056.23/1,209,864.95
  6. Step 6: Final answer
    x = 534,940.58

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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.