Home / 440,155.86-607,417.64-258,875.44

Finding the Fourth Proportional to 440,155.86, 607,417.64 and 258,875.44

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Solution

The fourth proportional to 440,155.86, 607,417.64 and 258,875.44 is: 357,249.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,155.86 : 607,417.64 = 258,875.44 : x
  2. Step 2: Convert to fraction form
    440,155.86/607,417.64 = 258,875.44/x
  3. Step 3: Cross multiply
    440,155.86x = 607,417.64 × 258,875.44
  4. Step 4: Simplify right side
    440,155.86x = 157,245,508,818.76
  5. Step 5: Solve for x
    x = 157,245,508,818.76/440,155.86
  6. Step 6: Final answer
    x = 357,249.61

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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.