Home / 631,054.04-870,847.98-344,573.24

Finding the Fourth Proportional to 631,054.04, 870,847.98 and 344,573.24

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Solution

The fourth proportional to 631,054.04, 870,847.98 and 344,573.24 is: 475,507.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    631,054.04 : 870,847.98 = 344,573.24 : x
  2. Step 2: Convert to fraction form
    631,054.04/870,847.98 = 344,573.24/x
  3. Step 3: Cross multiply
    631,054.04x = 870,847.98 × 344,573.24
  4. Step 4: Simplify right side
    631,054.04x = 300,070,910,016.06
  5. Step 5: Solve for x
    x = 300,070,910,016.06/631,054.04
  6. Step 6: Final answer
    x = 475,507.47

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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.