Home / 630,005.24-869,427.52-354,410.84

Finding the Fourth Proportional to 630,005.24, 869,427.52 and 354,410.84

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Solution

The fourth proportional to 630,005.24, 869,427.52 and 354,410.84 is: 489,098.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    630,005.24 : 869,427.52 = 354,410.84 : x
  2. Step 2: Convert to fraction form
    630,005.24/869,427.52 = 354,410.84/x
  3. Step 3: Cross multiply
    630,005.24x = 869,427.52 × 354,410.84
  4. Step 4: Simplify right side
    630,005.24x = 308,134,537,682.32
  5. Step 5: Solve for x
    x = 308,134,537,682.32/630,005.24
  6. Step 6: Final answer
    x = 489,098.37

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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.