Home / 681,925.55-1,021,423.01-553,264.34

Finding the Fourth Proportional to 681,925.55, 1,021,423.01 and 553,264.34

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Solution

The fourth proportional to 681,925.55, 1,021,423.01 and 553,264.34 is: 828,707.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    681,925.55 : 1,021,423.01 = 553,264.34 : x
  2. Step 2: Convert to fraction form
    681,925.55/1,021,423.01 = 553,264.34/x
  3. Step 3: Cross multiply
    681,925.55x = 1,021,423.01 × 553,264.34
  4. Step 4: Simplify right side
    681,925.55x = 565,116,919,615.03
  5. Step 5: Solve for x
    x = 565,116,919,615.03/681,925.55
  6. Step 6: Final answer
    x = 828,707.66

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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.