Home / 440,156.13-607,417.95-258,875.70

Finding the Fourth Proportional to 440,156.13, 607,417.95 and 258,875.70

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Solution

The fourth proportional to 440,156.13, 607,417.95 and 258,875.70 is: 357,249.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,156.13 : 607,417.95 = 258,875.70 : x
  2. Step 2: Convert to fraction form
    440,156.13/607,417.95 = 258,875.70/x
  3. Step 3: Cross multiply
    440,156.13x = 607,417.95 × 258,875.70
  4. Step 4: Simplify right side
    440,156.13x = 157,245,746,998.82
  5. Step 5: Solve for x
    x = 157,245,746,998.82/440,156.13
  6. Step 6: Final answer
    x = 357,249.93

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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.