Home / 926,284.32-1,278,341.16-518,427.12

Finding the Fourth Proportional to 926,284.32, 1,278,341.16 and 518,427.12

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Solution

The fourth proportional to 926,284.32, 1,278,341.16 and 518,427.12 is: 715,467.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    926,284.32 : 1,278,341.16 = 518,427.12 : x
  2. Step 2: Convert to fraction form
    926,284.32/1,278,341.16 = 518,427.12/x
  3. Step 3: Cross multiply
    926,284.32x = 1,278,341.16 × 518,427.12
  4. Step 4: Simplify right side
    926,284.32x = 662,726,725,956.26
  5. Step 5: Solve for x
    x = 662,726,725,956.26/926,284.32
  6. Step 6: Final answer
    x = 715,467.93

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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.