Home / 750,859.90-1,036,199.91-411,306.10

Finding the Fourth Proportional to 750,859.90, 1,036,199.91 and 411,306.10

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Solution

The fourth proportional to 750,859.90, 1,036,199.91 and 411,306.10 is: 567,609.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    750,859.90 : 1,036,199.91 = 411,306.10 : x
  2. Step 2: Convert to fraction form
    750,859.90/1,036,199.91 = 411,306.10/x
  3. Step 3: Cross multiply
    750,859.90x = 1,036,199.91 × 411,306.10
  4. Step 4: Simplify right side
    750,859.90x = 426,195,343,802.45
  5. Step 5: Solve for x
    x = 426,195,343,802.45/750,859.90
  6. Step 6: Final answer
    x = 567,609.67

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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.