Home / 436,036.46-653,307.30-346,355.79

Finding the Fourth Proportional to 436,036.46, 653,307.30 and 346,355.79

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Solution

The fourth proportional to 436,036.46, 653,307.30 and 346,355.79 is: 518,940.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,036.46 : 653,307.30 = 346,355.79 : x
  2. Step 2: Convert to fraction form
    436,036.46/653,307.30 = 346,355.79/x
  3. Step 3: Cross multiply
    436,036.46x = 653,307.30 × 346,355.79
  4. Step 4: Simplify right side
    436,036.46x = 226,276,766,004.27
  5. Step 5: Solve for x
    x = 226,276,766,004.27/436,036.46
  6. Step 6: Final answer
    x = 518,940.01

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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.