Home / 1,478,566.84-2,218,006.01-613,903.58

Finding the Fourth Proportional to 1,478,566.84, 2,218,006.01 and 613,903.58

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Solution

The fourth proportional to 1,478,566.84, 2,218,006.01 and 613,903.58 is: 920,920.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,478,566.84 : 2,218,006.01 = 613,903.58 : x
  2. Step 2: Convert to fraction form
    1,478,566.84/2,218,006.01 = 613,903.58/x
  3. Step 3: Cross multiply
    1,478,566.84x = 2,218,006.01 × 613,903.58
  4. Step 4: Simplify right side
    1,478,566.84x = 1,361,641,826,931.00
  5. Step 5: Solve for x
    x = 1,361,641,826,931.00/1,478,566.84
  6. Step 6: Final answer
    x = 920,920.04

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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.