Home / 1,111,190.63-1,666,020.00-437,349.30

Finding the Fourth Proportional to 1,111,190.63, 1,666,020.00 and 437,349.30

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Solution

The fourth proportional to 1,111,190.63, 1,666,020.00 and 437,349.30 is: 655,722.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,111,190.63 : 1,666,020.00 = 437,349.30 : x
  2. Step 2: Convert to fraction form
    1,111,190.63/1,666,020.00 = 437,349.30/x
  3. Step 3: Cross multiply
    1,111,190.63x = 1,666,020.00 × 437,349.30
  4. Step 4: Simplify right side
    1,111,190.63x = 728,632,678,404.08
  5. Step 5: Solve for x
    x = 728,632,678,404.08/1,111,190.63
  6. Step 6: Final answer
    x = 655,722.48

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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.