Home / 831,528.36-1,147,509.23-449,555.04

Finding the Fourth Proportional to 831,528.36, 1,147,509.23 and 449,555.04

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Solution

The fourth proportional to 831,528.36, 1,147,509.23 and 449,555.04 is: 620,386.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    831,528.36 : 1,147,509.23 = 449,555.04 : x
  2. Step 2: Convert to fraction form
    831,528.36/1,147,509.23 = 449,555.04/x
  3. Step 3: Cross multiply
    831,528.36x = 1,147,509.23 × 449,555.04
  4. Step 4: Simplify right side
    831,528.36x = 515,868,555,545.24
  5. Step 5: Solve for x
    x = 515,868,555,545.24/831,528.36
  6. Step 6: Final answer
    x = 620,386.00

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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.