Home / 855,416.51-1,180,394.81-511,184.13

Finding the Fourth Proportional to 855,416.51, 1,180,394.81 and 511,184.13

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Solution

The fourth proportional to 855,416.51, 1,180,394.81 and 511,184.13 is: 705,386.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    855,416.51 : 1,180,394.81 = 511,184.13 : x
  2. Step 2: Convert to fraction form
    855,416.51/1,180,394.81 = 511,184.13/x
  3. Step 3: Cross multiply
    855,416.51x = 1,180,394.81 × 511,184.13
  4. Step 4: Simplify right side
    855,416.51x = 603,399,088,940.91
  5. Step 5: Solve for x
    x = 603,399,088,940.91/855,416.51
  6. Step 6: Final answer
    x = 705,386.30

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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.