Home / 436,623.40-602,515.02-245,628.64

Finding the Fourth Proportional to 436,623.40, 602,515.02 and 245,628.64

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Solution

The fourth proportional to 436,623.40, 602,515.02 and 245,628.64 is: 338,953.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,623.40 : 602,515.02 = 245,628.64 : x
  2. Step 2: Convert to fraction form
    436,623.40/602,515.02 = 245,628.64/x
  3. Step 3: Cross multiply
    436,623.40x = 602,515.02 × 245,628.64
  4. Step 4: Simplify right side
    436,623.40x = 147,994,944,942.17
  5. Step 5: Solve for x
    x = 147,994,944,942.17/436,623.40
  6. Step 6: Final answer
    x = 338,953.31

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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.