Home / 905,625.15-1,249,792.80-533,020.54

Finding the Fourth Proportional to 905,625.15, 1,249,792.80 and 533,020.54

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Solution

The fourth proportional to 905,625.15, 1,249,792.80 and 533,020.54 is: 735,586.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    905,625.15 : 1,249,792.80 = 533,020.54 : x
  2. Step 2: Convert to fraction form
    905,625.15/1,249,792.80 = 533,020.54/x
  3. Step 3: Cross multiply
    905,625.15x = 1,249,792.80 × 533,020.54
  4. Step 4: Simplify right side
    905,625.15x = 666,165,233,438.31
  5. Step 5: Solve for x
    x = 666,165,233,438.31/905,625.15
  6. Step 6: Final answer
    x = 735,586.06

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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.