Home / 926,148.18-1,278,041.04-518,301.84

Finding the Fourth Proportional to 926,148.18, 1,278,041.04 and 518,301.84

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Solution

The fourth proportional to 926,148.18, 1,278,041.04 and 518,301.84 is: 715,232.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    926,148.18 : 1,278,041.04 = 518,301.84 : x
  2. Step 2: Convert to fraction form
    926,148.18/1,278,041.04 = 518,301.84/x
  3. Step 3: Cross multiply
    926,148.18x = 1,278,041.04 × 518,301.84
  4. Step 4: Simplify right side
    926,148.18x = 662,411,022,627.51
  5. Step 5: Solve for x
    x = 662,411,022,627.51/926,148.18
  6. Step 6: Final answer
    x = 715,232.22

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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.