Home / 1,249,784.51-1,724,694.04-676,811.57

Finding the Fourth Proportional to 1,249,784.51, 1,724,694.04 and 676,811.57

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Solution

The fourth proportional to 1,249,784.51, 1,724,694.04 and 676,811.57 is: 933,995.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,249,784.51 : 1,724,694.04 = 676,811.57 : x
  2. Step 2: Convert to fraction form
    1,249,784.51/1,724,694.04 = 676,811.57/x
  3. Step 3: Cross multiply
    1,249,784.51x = 1,724,694.04 × 676,811.57
  4. Step 4: Simplify right side
    1,249,784.51x = 1,167,292,880,982.04
  5. Step 5: Solve for x
    x = 1,167,292,880,982.04/1,249,784.51
  6. Step 6: Final answer
    x = 933,995.32

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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.