Home / 1,087,142.88-1,630,844.01-525,774

Finding the Fourth Proportional to 1,087,142.88, 1,630,844.01 and 525,774

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Solution

The fourth proportional to 1,087,142.88, 1,630,844.01 and 525,774 is: 788,723.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,087,142.88 : 1,630,844.01 = 525,774 : x
  2. Step 2: Convert to fraction form
    1,087,142.88/1,630,844.01 = 525,774/x
  3. Step 3: Cross multiply
    1,087,142.88x = 1,630,844.01 × 525,774
  4. Step 4: Simplify right side
    1,087,142.88x = 857,455,378,513.74
  5. Step 5: Solve for x
    x = 857,455,378,513.74/1,087,142.88
  6. Step 6: Final answer
    x = 788,723.72

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Similar ratio
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1.5x scale

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.