Home / 723,412.89-1,084,897.63-500,207.67

Finding the Fourth Proportional to 723,412.89, 1,084,897.63 and 500,207.67

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Solution

The fourth proportional to 723,412.89, 1,084,897.63 and 500,207.67 is: 750,158.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    723,412.89 : 1,084,897.63 = 500,207.67 : x
  2. Step 2: Convert to fraction form
    723,412.89/1,084,897.63 = 500,207.67/x
  3. Step 3: Cross multiply
    723,412.89x = 1,084,897.63 × 500,207.67
  4. Step 4: Simplify right side
    723,412.89x = 542,674,116,316.08
  5. Step 5: Solve for x
    x = 542,674,116,316.08/723,412.89
  6. Step 6: Final answer
    x = 750,158.21

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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.