Home / 1,249,782.89-1,724,691.80-676,809.95

Finding the Fourth Proportional to 1,249,782.89, 1,724,691.80 and 676,809.95

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Solution

The fourth proportional to 1,249,782.89, 1,724,691.80 and 676,809.95 is: 933,993.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,249,782.89 : 1,724,691.80 = 676,809.95 : x
  2. Step 2: Convert to fraction form
    1,249,782.89/1,724,691.80 = 676,809.95/x
  3. Step 3: Cross multiply
    1,249,782.89x = 1,724,691.80 × 676,809.95
  4. Step 4: Simplify right side
    1,249,782.89x = 1,167,288,564,919.66
  5. Step 5: Solve for x
    x = 1,167,288,564,919.66/1,249,782.89
  6. Step 6: Final answer
    x = 933,993.08

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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.