Home / 525,848.85-788,851.08-210,298.77

Finding the Fourth Proportional to 525,848.85, 788,851.08 and 210,298.77

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Solution

The fourth proportional to 525,848.85, 788,851.08 and 210,298.77 is: 315,479.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    525,848.85 : 788,851.08 = 210,298.77 : x
  2. Step 2: Convert to fraction form
    525,848.85/788,851.08 = 210,298.77/x
  3. Step 3: Cross multiply
    525,848.85x = 788,851.08 × 210,298.77
  4. Step 4: Simplify right side
    525,848.85x = 165,894,411,837.17
  5. Step 5: Solve for x
    x = 165,894,411,837.17/525,848.85
  6. Step 6: Final answer
    x = 315,479.27

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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.