Home / 926,303.58-1,278,321.81-518,402.22

Finding the Fourth Proportional to 926,303.58, 1,278,321.81 and 518,402.22

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Solution

The fourth proportional to 926,303.58, 1,278,321.81 and 518,402.22 is: 715,407.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    926,303.58 : 1,278,321.81 = 518,402.22 : x
  2. Step 2: Convert to fraction form
    926,303.58/1,278,321.81 = 518,402.22/x
  3. Step 3: Cross multiply
    926,303.58x = 1,278,321.81 × 518,402.22
  4. Step 4: Simplify right side
    926,303.58x = 662,684,864,178.42
  5. Step 5: Solve for x
    x = 662,684,864,178.42/926,303.58
  6. Step 6: Final answer
    x = 715,407.86

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Double scale
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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.