Home / 884,066.04-1,220,157.41-521,578.53

Finding the Fourth Proportional to 884,066.04, 1,220,157.41 and 521,578.53

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Solution

The fourth proportional to 884,066.04, 1,220,157.41 and 521,578.53 is: 719,864.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    884,066.04 : 1,220,157.41 = 521,578.53 : x
  2. Step 2: Convert to fraction form
    884,066.04/1,220,157.41 = 521,578.53/x
  3. Step 3: Cross multiply
    884,066.04x = 1,220,157.41 × 521,578.53
  4. Step 4: Simplify right side
    884,066.04x = 636,407,905,668.52
  5. Step 5: Solve for x
    x = 636,407,905,668.52/884,066.04
  6. Step 6: Final answer
    x = 719,864.67

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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.