Home / 916,157.01-1,263,771.40-571,394.39

Finding the Fourth Proportional to 916,157.01, 1,263,771.40 and 571,394.39

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Solution

The fourth proportional to 916,157.01, 1,263,771.40 and 571,394.39 is: 788,196.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    916,157.01 : 1,263,771.40 = 571,394.39 : x
  2. Step 2: Convert to fraction form
    916,157.01/1,263,771.40 = 571,394.39/x
  3. Step 3: Cross multiply
    916,157.01x = 1,263,771.40 × 571,394.39
  4. Step 4: Simplify right side
    916,157.01x = 722,111,882,670.28
  5. Step 5: Solve for x
    x = 722,111,882,670.28/916,157.01
  6. Step 6: Final answer
    x = 788,196.65

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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.