Home / 695,095.27-958,736.13-637,919.21

Finding the Fourth Proportional to 695,095.27, 958,736.13 and 637,919.21

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Solution

The fourth proportional to 695,095.27, 958,736.13 and 637,919.21 is: 879,873.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    695,095.27 : 958,736.13 = 637,919.21 : x
  2. Step 2: Convert to fraction form
    695,095.27/958,736.13 = 637,919.21/x
  3. Step 3: Cross multiply
    695,095.27x = 958,736.13 × 637,919.21
  4. Step 4: Simplify right side
    695,095.27x = 611,596,194,648.06
  5. Step 5: Solve for x
    x = 611,596,194,648.06/695,095.27
  6. Step 6: Final answer
    x = 879,873.91

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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.