Home / 885,686.96-1,221,943.32-536,939.84

Finding the Fourth Proportional to 885,686.96, 1,221,943.32 and 536,939.84

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Solution

The fourth proportional to 885,686.96, 1,221,943.32 and 536,939.84 is: 740,792.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    885,686.96 : 1,221,943.32 = 536,939.84 : x
  2. Step 2: Convert to fraction form
    885,686.96/1,221,943.32 = 536,939.84/x
  3. Step 3: Cross multiply
    885,686.96x = 1,221,943.32 × 536,939.84
  4. Step 4: Simplify right side
    885,686.96x = 656,110,050,729.87
  5. Step 5: Solve for x
    x = 656,110,050,729.87/885,686.96
  6. Step 6: Final answer
    x = 740,792.27

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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.