Home / 1,233,090.40-1,849,635.60-391,727.20

Finding the Fourth Proportional to 1,233,090.40, 1,849,635.60 and 391,727.20

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Solution

The fourth proportional to 1,233,090.40, 1,849,635.60 and 391,727.20 is: 587,590.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,233,090.40 : 1,849,635.60 = 391,727.20 : x
  2. Step 2: Convert to fraction form
    1,233,090.40/1,849,635.60 = 391,727.20/x
  3. Step 3: Cross multiply
    1,233,090.40x = 1,849,635.60 × 391,727.20
  4. Step 4: Simplify right side
    1,233,090.40x = 724,552,574,608.32
  5. Step 5: Solve for x
    x = 724,552,574,608.32/1,233,090.40
  6. Step 6: Final answer
    x = 587,590.80

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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.