Home / 514,032.39-771,131.21-176,990.18

Finding the Fourth Proportional to 514,032.39, 771,131.21 and 176,990.18

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Solution

The fourth proportional to 514,032.39, 771,131.21 and 176,990.18 is: 265,513.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    514,032.39 : 771,131.21 = 176,990.18 : x
  2. Step 2: Convert to fraction form
    514,032.39/771,131.21 = 176,990.18/x
  3. Step 3: Cross multiply
    514,032.39x = 771,131.21 × 176,990.18
  4. Step 4: Simplify right side
    514,032.39x = 136,482,646,920.91
  5. Step 5: Solve for x
    x = 136,482,646,920.91/514,032.39
  6. Step 6: Final answer
    x = 265,513.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.