Home / 662,518.80-914,844.21-641,095.08

Finding the Fourth Proportional to 662,518.80, 914,844.21 and 641,095.08

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Solution

The fourth proportional to 662,518.80, 914,844.21 and 641,095.08 is: 885,261.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    662,518.80 : 914,844.21 = 641,095.08 : x
  2. Step 2: Convert to fraction form
    662,518.80/914,844.21 = 641,095.08/x
  3. Step 3: Cross multiply
    662,518.80x = 914,844.21 × 641,095.08
  4. Step 4: Simplify right side
    662,518.80x = 586,502,121,997.49
  5. Step 5: Solve for x
    x = 586,502,121,997.49/662,518.80
  6. Step 6: Final answer
    x = 885,261.10

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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.