Home / 740,548.08-1,021,993.56-434,637.72

Finding the Fourth Proportional to 740,548.08, 1,021,993.56 and 434,637.72

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Solution

The fourth proportional to 740,548.08, 1,021,993.56 and 434,637.72 is: 599,821.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    740,548.08 : 1,021,993.56 = 434,637.72 : x
  2. Step 2: Convert to fraction form
    740,548.08/1,021,993.56 = 434,637.72/x
  3. Step 3: Cross multiply
    740,548.08x = 1,021,993.56 × 434,637.72
  4. Step 4: Simplify right side
    740,548.08x = 444,196,950,773.08
  5. Step 5: Solve for x
    x = 444,196,950,773.08/740,548.08
  6. Step 6: Final answer
    x = 599,821.89

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.