Home / 926,524.12-1,278,624.93-518,615.81

Finding the Fourth Proportional to 926,524.12, 1,278,624.93 and 518,615.81

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Solution

The fourth proportional to 926,524.12, 1,278,624.93 and 518,615.81 is: 715,701.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    926,524.12 : 1,278,624.93 = 518,615.81 : x
  2. Step 2: Convert to fraction form
    926,524.12/1,278,624.93 = 518,615.81/x
  3. Step 3: Cross multiply
    926,524.12x = 1,278,624.93 × 518,615.81
  4. Step 4: Simplify right side
    926,524.12x = 663,115,103,758.14
  5. Step 5: Solve for x
    x = 663,115,103,758.14/926,524.12
  6. Step 6: Final answer
    x = 715,701.93

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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.