Home / 877,799.01-1,316,436.08-456,845.25

Finding the Fourth Proportional to 877,799.01, 1,316,436.08 and 456,845.25

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Solution

The fourth proportional to 877,799.01, 1,316,436.08 and 456,845.25 is: 685,131.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    877,799.01 : 1,316,436.08 = 456,845.25 : x
  2. Step 2: Convert to fraction form
    877,799.01/1,316,436.08 = 456,845.25/x
  3. Step 3: Cross multiply
    877,799.01x = 1,316,436.08 × 456,845.25
  4. Step 4: Simplify right side
    877,799.01x = 601,407,570,076.62
  5. Step 5: Solve for x
    x = 601,407,570,076.62/877,799.01
  6. Step 6: Final answer
    x = 685,131.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.