Home / 875,192.40-1,310,164.20-520,023.60

Finding the Fourth Proportional to 875,192.40, 1,310,164.20 and 520,023.60

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Solution

The fourth proportional to 875,192.40, 1,310,164.20 and 520,023.60 is: 778,476.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    875,192.40 : 1,310,164.20 = 520,023.60 : x
  2. Step 2: Convert to fraction form
    875,192.40/1,310,164.20 = 520,023.60/x
  3. Step 3: Cross multiply
    875,192.40x = 1,310,164.20 × 520,023.60
  4. Step 4: Simplify right side
    875,192.40x = 681,316,303,875.12
  5. Step 5: Solve for x
    x = 681,316,303,875.12/875,192.40
  6. Step 6: Final answer
    x = 778,476.03

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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.