Home / 859,589.16-1,186,163.58-497,036.50

Finding the Fourth Proportional to 859,589.16, 1,186,163.58 and 497,036.50

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Solution

The fourth proportional to 859,589.16, 1,186,163.58 and 497,036.50 is: 685,870.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    859,589.16 : 1,186,163.58 = 497,036.50 : x
  2. Step 2: Convert to fraction form
    859,589.16/1,186,163.58 = 497,036.50/x
  3. Step 3: Cross multiply
    859,589.16x = 1,186,163.58 × 497,036.50
  4. Step 4: Simplify right side
    859,589.16x = 589,566,594,230.67
  5. Step 5: Solve for x
    x = 589,566,594,230.67/859,589.16
  6. Step 6: Final answer
    x = 685,870.21

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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.