Home / 1,990,572.04-2,985,365.94-853,205.25

Finding the Fourth Proportional to 1,990,572.04, 2,985,365.94 and 853,205.25

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Solution

The fourth proportional to 1,990,572.04, 2,985,365.94 and 853,205.25 is: 1,279,596.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,990,572.04 : 2,985,365.94 = 853,205.25 : x
  2. Step 2: Convert to fraction form
    1,990,572.04/2,985,365.94 = 853,205.25/x
  3. Step 3: Cross multiply
    1,990,572.04x = 2,985,365.94 × 853,205.25
  4. Step 4: Simplify right side
    1,990,572.04x = 2,547,129,893,179.19
  5. Step 5: Solve for x
    x = 2,547,129,893,179.19/1,990,572.04
  6. Step 6: Final answer
    x = 1,279,596.94

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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.