Home / 630,225.06-869,784.11-358,333.70

Finding the Fourth Proportional to 630,225.06, 869,784.11 and 358,333.70

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Solution

The fourth proportional to 630,225.06, 869,784.11 and 358,333.70 is: 494,542.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    630,225.06 : 869,784.11 = 358,333.70 : x
  2. Step 2: Convert to fraction form
    630,225.06/869,784.11 = 358,333.70/x
  3. Step 3: Cross multiply
    630,225.06x = 869,784.11 × 358,333.70
  4. Step 4: Simplify right side
    630,225.06x = 311,672,952,196.92
  5. Step 5: Solve for x
    x = 311,672,952,196.92/630,225.06
  6. Step 6: Final answer
    x = 494,542.30

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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.