Home / 1,355,504.43-2,032,666.02-456,778.65

Finding the Fourth Proportional to 1,355,504.43, 2,032,666.02 and 456,778.65

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Solution

The fourth proportional to 1,355,504.43, 2,032,666.02 and 456,778.65 is: 684,968.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,355,504.43 : 2,032,666.02 = 456,778.65 : x
  2. Step 2: Convert to fraction form
    1,355,504.43/2,032,666.02 = 456,778.65/x
  3. Step 3: Cross multiply
    1,355,504.43x = 2,032,666.02 × 456,778.65
  4. Step 4: Simplify right side
    1,355,504.43x = 928,478,440,516.47
  5. Step 5: Solve for x
    x = 928,478,440,516.47/1,355,504.43
  6. Step 6: Final answer
    x = 684,968.95

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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.