Home / 885,666.60-1,328,499.90-619,727.40

Finding the Fourth Proportional to 885,666.60, 1,328,499.90 and 619,727.40

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Solution

The fourth proportional to 885,666.60, 1,328,499.90 and 619,727.40 is: 929,591.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    885,666.60 : 1,328,499.90 = 619,727.40 : x
  2. Step 2: Convert to fraction form
    885,666.60/1,328,499.90 = 619,727.40/x
  3. Step 3: Cross multiply
    885,666.60x = 1,328,499.90 × 619,727.40
  4. Step 4: Simplify right side
    885,666.60x = 823,307,788,927.26
  5. Step 5: Solve for x
    x = 823,307,788,927.26/885,666.60
  6. Step 6: Final answer
    x = 929,591.10

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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.