Home / 1,201,036.80-1,657,200.60-684,780.96

Finding the Fourth Proportional to 1,201,036.80, 1,657,200.60 and 684,780.96

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Solution

The fourth proportional to 1,201,036.80, 1,657,200.60 and 684,780.96 is: 944,866.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,201,036.80 : 1,657,200.60 = 684,780.96 : x
  2. Step 2: Convert to fraction form
    1,201,036.80/1,657,200.60 = 684,780.96/x
  3. Step 3: Cross multiply
    1,201,036.80x = 1,657,200.60 × 684,780.96
  4. Step 4: Simplify right side
    1,201,036.80x = 1,134,819,417,780.58
  5. Step 5: Solve for x
    x = 1,134,819,417,780.58/1,201,036.80
  6. Step 6: Final answer
    x = 944,866.48

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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.