Home / 550,835.52-824,168.16-326,316.48

Finding the Fourth Proportional to 550,835.52, 824,168.16 and 326,316.48

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Solution

The fourth proportional to 550,835.52, 824,168.16 and 326,316.48 is: 488,239.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    550,835.52 : 824,168.16 = 326,316.48 : x
  2. Step 2: Convert to fraction form
    550,835.52/824,168.16 = 326,316.48/x
  3. Step 3: Cross multiply
    550,835.52x = 824,168.16 × 326,316.48
  4. Step 4: Simplify right side
    550,835.52x = 268,939,652,899.28
  5. Step 5: Solve for x
    x = 268,939,652,899.28/550,835.52
  6. Step 6: Final answer
    x = 488,239.49

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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.