Home / 905,744.96-1,249,828.80-523,713.92

Finding the Fourth Proportional to 905,744.96, 1,249,828.80 and 523,713.92

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Solution

The fourth proportional to 905,744.96, 1,249,828.80 and 523,713.92 is: 722,667.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    905,744.96 : 1,249,828.80 = 523,713.92 : x
  2. Step 2: Convert to fraction form
    905,744.96/1,249,828.80 = 523,713.92/x
  3. Step 3: Cross multiply
    905,744.96x = 1,249,828.80 × 523,713.92
  4. Step 4: Simplify right side
    905,744.96x = 654,552,740,176.90
  5. Step 5: Solve for x
    x = 654,552,740,176.90/905,744.96
  6. Step 6: Final answer
    x = 722,667.82

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1.5x scale

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.