Home / 1,431,451.04-1,975,406.54-819,613.08

Finding the Fourth Proportional to 1,431,451.04, 1,975,406.54 and 819,613.08

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Solution

The fourth proportional to 1,431,451.04, 1,975,406.54 and 819,613.08 is: 1,131,068.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,431,451.04 : 1,975,406.54 = 819,613.08 : x
  2. Step 2: Convert to fraction form
    1,431,451.04/1,975,406.54 = 819,613.08/x
  3. Step 3: Cross multiply
    1,431,451.04x = 1,975,406.54 × 819,613.08
  4. Step 4: Simplify right side
    1,431,451.04x = 1,619,069,034,403.48
  5. Step 5: Solve for x
    x = 1,619,069,034,403.48/1,431,451.04
  6. Step 6: Final answer
    x = 1,131,068.40

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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.