Home / 1,181,346.95-1,772,388.12-423,194.95

Finding the Fourth Proportional to 1,181,346.95, 1,772,388.12 and 423,194.95

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Solution

The fourth proportional to 1,181,346.95, 1,772,388.12 and 423,194.95 is: 634,924.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,181,346.95 : 1,772,388.12 = 423,194.95 : x
  2. Step 2: Convert to fraction form
    1,181,346.95/1,772,388.12 = 423,194.95/x
  3. Step 3: Cross multiply
    1,181,346.95x = 1,772,388.12 × 423,194.95
  4. Step 4: Simplify right side
    1,181,346.95x = 750,065,701,823.99
  5. Step 5: Solve for x
    x = 750,065,701,823.99/1,181,346.95
  6. Step 6: Final answer
    x = 634,924.14

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Double scale
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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.