Home / 1,042,340.92-1,438,435.80-589,622.20

Finding the Fourth Proportional to 1,042,340.92, 1,438,435.80 and 589,622.20

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Solution

The fourth proportional to 1,042,340.92, 1,438,435.80 and 589,622.20 is: 813,681.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,042,340.92 : 1,438,435.80 = 589,622.20 : x
  2. Step 2: Convert to fraction form
    1,042,340.92/1,438,435.80 = 589,622.20/x
  3. Step 3: Cross multiply
    1,042,340.92x = 1,438,435.80 × 589,622.20
  4. Step 4: Simplify right side
    1,042,340.92x = 848,133,680,954.76
  5. Step 5: Solve for x
    x = 848,133,680,954.76/1,042,340.92
  6. Step 6: Final answer
    x = 813,681.65

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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.