Home / 1,189,442.93-1,784,148.93-290,892.45

Finding the Fourth Proportional to 1,189,442.93, 1,784,148.93 and 290,892.45

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Solution

The fourth proportional to 1,189,442.93, 1,784,148.93 and 290,892.45 is: 436,334.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,189,442.93 : 1,784,148.93 = 290,892.45 : x
  2. Step 2: Convert to fraction form
    1,189,442.93/1,784,148.93 = 290,892.45/x
  3. Step 3: Cross multiply
    1,189,442.93x = 1,784,148.93 × 290,892.45
  4. Step 4: Simplify right side
    1,189,442.93x = 518,995,453,412.58
  5. Step 5: Solve for x
    x = 518,995,453,412.58/1,189,442.93
  6. Step 6: Final answer
    x = 436,334.89

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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.