Home / 877,523.63-1,316,285.46-212,675.63

Finding the Fourth Proportional to 877,523.63, 1,316,285.46 and 212,675.63

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Solution

The fourth proportional to 877,523.63, 1,316,285.46 and 212,675.63 is: 319,013.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    877,523.63 : 1,316,285.46 = 212,675.63 : x
  2. Step 2: Convert to fraction form
    877,523.63/1,316,285.46 = 212,675.63/x
  3. Step 3: Cross multiply
    877,523.63x = 1,316,285.46 × 212,675.63
  4. Step 4: Simplify right side
    877,523.63x = 279,941,832,883.91
  5. Step 5: Solve for x
    x = 279,941,832,883.91/877,523.63
  6. Step 6: Final answer
    x = 319,013.44

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Double scale
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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.