Home / 440,271.60-607,577.44-258,990.96

Finding the Fourth Proportional to 440,271.60, 607,577.44 and 258,990.96

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Solution

The fourth proportional to 440,271.60, 607,577.44 and 258,990.96 is: 357,409.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,271.60 : 607,577.44 = 258,990.96 : x
  2. Step 2: Convert to fraction form
    440,271.60/607,577.44 = 258,990.96/x
  3. Step 3: Cross multiply
    440,271.60x = 607,577.44 × 258,990.96
  4. Step 4: Simplify right side
    440,271.60x = 157,357,064,459.94
  5. Step 5: Solve for x
    x = 157,357,064,459.94/440,271.60
  6. Step 6: Final answer
    x = 357,409.07

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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.