Home / 635,120.61-875,258.26-623,448.63

Finding the Fourth Proportional to 635,120.61, 875,258.26 and 623,448.63

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Solution

The fourth proportional to 635,120.61, 875,258.26 and 623,448.63 is: 859,173.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    635,120.61 : 875,258.26 = 623,448.63 : x
  2. Step 2: Convert to fraction form
    635,120.61/875,258.26 = 623,448.63/x
  3. Step 3: Cross multiply
    635,120.61x = 875,258.26 × 623,448.63
  4. Step 4: Simplify right side
    635,120.61x = 545,678,563,093.18
  5. Step 5: Solve for x
    x = 545,678,563,093.18/635,120.61
  6. Step 6: Final answer
    x = 859,173.13

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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.