Home / 885,365.40-1,327,875.30-294,389.40

Finding the Fourth Proportional to 885,365.40, 1,327,875.30 and 294,389.40

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Solution

The fourth proportional to 885,365.40, 1,327,875.30 and 294,389.40 is: 441,526.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    885,365.40 : 1,327,875.30 = 294,389.40 : x
  2. Step 2: Convert to fraction form
    885,365.40/1,327,875.30 = 294,389.40/x
  3. Step 3: Cross multiply
    885,365.40x = 1,327,875.30 × 294,389.40
  4. Step 4: Simplify right side
    885,365.40x = 390,912,412,841.82
  5. Step 5: Solve for x
    x = 390,912,412,841.82/885,365.40
  6. Step 6: Final answer
    x = 441,526.64

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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.