Home / 1,303,747.55-1,799,081.07-723,000.63

Finding the Fourth Proportional to 1,303,747.55, 1,799,081.07 and 723,000.63

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Solution

The fourth proportional to 1,303,747.55, 1,799,081.07 and 723,000.63 is: 997,690.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,303,747.55 : 1,799,081.07 = 723,000.63 : x
  2. Step 2: Convert to fraction form
    1,303,747.55/1,799,081.07 = 723,000.63/x
  3. Step 3: Cross multiply
    1,303,747.55x = 1,799,081.07 × 723,000.63
  4. Step 4: Simplify right side
    1,303,747.55x = 1,300,736,747,031.07
  5. Step 5: Solve for x
    x = 1,300,736,747,031.07/1,303,747.55
  6. Step 6: Final answer
    x = 997,690.65

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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.