Home / 898,070.66-1,238,784.02-640,031.14

Finding the Fourth Proportional to 898,070.66, 1,238,784.02 and 640,031.14

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Solution

The fourth proportional to 898,070.66, 1,238,784.02 and 640,031.14 is: 882,848.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    898,070.66 : 1,238,784.02 = 640,031.14 : x
  2. Step 2: Convert to fraction form
    898,070.66/1,238,784.02 = 640,031.14/x
  3. Step 3: Cross multiply
    898,070.66x = 1,238,784.02 × 640,031.14
  4. Step 4: Simplify right side
    898,070.66x = 792,860,351,682.94
  5. Step 5: Solve for x
    x = 792,860,351,682.94/898,070.66
  6. Step 6: Final answer
    x = 882,848.52

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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.