Home / 579,784.20-869,244.30-299,502.60

Finding the Fourth Proportional to 579,784.20, 869,244.30 and 299,502.60

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Solution

The fourth proportional to 579,784.20, 869,244.30 and 299,502.60 is: 449,030.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    579,784.20 : 869,244.30 = 299,502.60 : x
  2. Step 2: Convert to fraction form
    579,784.20/869,244.30 = 299,502.60/x
  3. Step 3: Cross multiply
    579,784.20x = 869,244.30 × 299,502.60
  4. Step 4: Simplify right side
    579,784.20x = 260,340,927,885.18
  5. Step 5: Solve for x
    x = 260,340,927,885.18/579,784.20
  6. Step 6: Final answer
    x = 449,030.74

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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.