Home / 440,187.32-607,603.20-258,891.50

Finding the Fourth Proportional to 440,187.32, 607,603.20 and 258,891.50

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Solution

The fourth proportional to 440,187.32, 607,603.20 and 258,891.50 is: 357,355.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,187.32 : 607,603.20 = 258,891.50 : x
  2. Step 2: Convert to fraction form
    440,187.32/607,603.20 = 258,891.50/x
  3. Step 3: Cross multiply
    440,187.32x = 607,603.20 × 258,891.50
  4. Step 4: Simplify right side
    440,187.32x = 157,303,303,852.80
  5. Step 5: Solve for x
    x = 157,303,303,852.80/440,187.32
  6. Step 6: Final answer
    x = 357,355.37

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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.