Home / 875,553.40-1,208,263.62-493,580.20

Finding the Fourth Proportional to 875,553.40, 1,208,263.62 and 493,580.20

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Solution

The fourth proportional to 875,553.40, 1,208,263.62 and 493,580.20 is: 681,140.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    875,553.40 : 1,208,263.62 = 493,580.20 : x
  2. Step 2: Convert to fraction form
    875,553.40/1,208,263.62 = 493,580.20/x
  3. Step 3: Cross multiply
    875,553.40x = 1,208,263.62 × 493,580.20
  4. Step 4: Simplify right side
    875,553.40x = 596,374,999,212.32
  5. Step 5: Solve for x
    x = 596,374,999,212.32/875,553.40
  6. Step 6: Final answer
    x = 681,140.64

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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.