Home / 630,225.24-869,784.36-358,333.88

Finding the Fourth Proportional to 630,225.24, 869,784.36 and 358,333.88

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Solution

The fourth proportional to 630,225.24, 869,784.36 and 358,333.88 is: 494,542.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    630,225.24 : 869,784.36 = 358,333.88 : x
  2. Step 2: Convert to fraction form
    630,225.24/869,784.36 = 358,333.88/x
  3. Step 3: Cross multiply
    630,225.24x = 869,784.36 × 358,333.88
  4. Step 4: Simplify right side
    630,225.24x = 311,673,200,805.07
  5. Step 5: Solve for x
    x = 311,673,200,805.07/630,225.24
  6. Step 6: Final answer
    x = 494,542.55

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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.