Home / 1,249,400.40-1,727,078.04-1,114,768.68

Finding the Fourth Proportional to 1,249,400.40, 1,727,078.04 and 1,114,768.68

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Solution

The fourth proportional to 1,249,400.40, 1,727,078.04 and 1,114,768.68 is: 1,540,973.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,249,400.40 : 1,727,078.04 = 1,114,768.68 : x
  2. Step 2: Convert to fraction form
    1,249,400.40/1,727,078.04 = 1,114,768.68/x
  3. Step 3: Cross multiply
    1,249,400.40x = 1,727,078.04 × 1,114,768.68
  4. Step 4: Simplify right side
    1,249,400.40x = 1,925,292,506,907.79
  5. Step 5: Solve for x
    x = 1,925,292,506,907.79/1,249,400.40
  6. Step 6: Final answer
    x = 1,540,973.18

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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.