Home / 636,570.07-954,261.87-436,984.45

Finding the Fourth Proportional to 636,570.07, 954,261.87 and 436,984.45

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Solution

The fourth proportional to 636,570.07, 954,261.87 and 436,984.45 is: 655,069.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    636,570.07 : 954,261.87 = 436,984.45 : x
  2. Step 2: Convert to fraction form
    636,570.07/954,261.87 = 436,984.45/x
  3. Step 3: Cross multiply
    636,570.07x = 954,261.87 × 436,984.45
  4. Step 4: Simplify right side
    636,570.07x = 416,997,598,417.92
  5. Step 5: Solve for x
    x = 416,997,598,417.92/636,570.07
  6. Step 6: Final answer
    x = 655,069.44

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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.