Home / 742,423.01-1,024,014.48-681,366.01

Finding the Fourth Proportional to 742,423.01, 1,024,014.48 and 681,366.01

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Solution

The fourth proportional to 742,423.01, 1,024,014.48 and 681,366.01 is: 939,799.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    742,423.01 : 1,024,014.48 = 681,366.01 : x
  2. Step 2: Convert to fraction form
    742,423.01/1,024,014.48 = 681,366.01/x
  3. Step 3: Cross multiply
    742,423.01x = 1,024,014.48 × 681,366.01
  4. Step 4: Simplify right side
    742,423.01x = 697,728,660,419.83
  5. Step 5: Solve for x
    x = 697,728,660,419.83/742,423.01
  6. Step 6: Final answer
    x = 939,799.35

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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.