Home / 1,057,206.80-1,585,810.20-488,586.80

Finding the Fourth Proportional to 1,057,206.80, 1,585,810.20 and 488,586.80

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Solution

The fourth proportional to 1,057,206.80, 1,585,810.20 and 488,586.80 is: 732,880.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,057,206.80 : 1,585,810.20 = 488,586.80 : x
  2. Step 2: Convert to fraction form
    1,057,206.80/1,585,810.20 = 488,586.80/x
  3. Step 3: Cross multiply
    1,057,206.80x = 1,585,810.20 × 488,586.80
  4. Step 4: Simplify right side
    1,057,206.80x = 774,805,931,025.36
  5. Step 5: Solve for x
    x = 774,805,931,025.36/1,057,206.80
  6. Step 6: Final answer
    x = 732,880.20

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.