Home / 752,852.58-1,038,937.23-408,688.26

Finding the Fourth Proportional to 752,852.58, 1,038,937.23 and 408,688.26

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Solution

The fourth proportional to 752,852.58, 1,038,937.23 and 408,688.26 is: 563,990.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    752,852.58 : 1,038,937.23 = 408,688.26 : x
  2. Step 2: Convert to fraction form
    752,852.58/1,038,937.23 = 408,688.26/x
  3. Step 3: Cross multiply
    752,852.58x = 1,038,937.23 × 408,688.26
  4. Step 4: Simplify right side
    752,852.58x = 424,601,448,777.92
  5. Step 5: Solve for x
    x = 424,601,448,777.92/752,852.58
  6. Step 6: Final answer
    x = 563,990.16

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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.