Home / 838,975.72-1,157,813.22-457,014.76

Finding the Fourth Proportional to 838,975.72, 1,157,813.22 and 457,014.76

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Solution

The fourth proportional to 838,975.72, 1,157,813.22 and 457,014.76 is: 630,694.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    838,975.72 : 1,157,813.22 = 457,014.76 : x
  2. Step 2: Convert to fraction form
    838,975.72/1,157,813.22 = 457,014.76/x
  3. Step 3: Cross multiply
    838,975.72x = 1,157,813.22 × 457,014.76
  4. Step 4: Simplify right side
    838,975.72x = 529,137,730,863.13
  5. Step 5: Solve for x
    x = 529,137,730,863.13/838,975.72
  6. Step 6: Final answer
    x = 630,694.93

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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.