Home / 634,583.10-875,483.19-405,149.10

Finding the Fourth Proportional to 634,583.10, 875,483.19 and 405,149.10

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Solution

The fourth proportional to 634,583.10, 875,483.19 and 405,149.10 is: 558,951.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    634,583.10 : 875,483.19 = 405,149.10 : x
  2. Step 2: Convert to fraction form
    634,583.10/875,483.19 = 405,149.10/x
  3. Step 3: Cross multiply
    634,583.10x = 875,483.19 × 405,149.10
  4. Step 4: Simplify right side
    634,583.10x = 354,701,226,493.63
  5. Step 5: Solve for x
    x = 354,701,226,493.63/634,583.10
  6. Step 6: Final answer
    x = 558,951.58

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1.5x scale

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.