Home / 740,119.58-1,021,389.76-453,584.30

Finding the Fourth Proportional to 740,119.58, 1,021,389.76 and 453,584.30

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Solution

The fourth proportional to 740,119.58, 1,021,389.76 and 453,584.30 is: 625,961.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    740,119.58 : 1,021,389.76 = 453,584.30 : x
  2. Step 2: Convert to fraction form
    740,119.58/1,021,389.76 = 453,584.30/x
  3. Step 3: Cross multiply
    740,119.58x = 1,021,389.76 × 453,584.30
  4. Step 4: Simplify right side
    740,119.58x = 463,286,359,316.77
  5. Step 5: Solve for x
    x = 463,286,359,316.77/740,119.58
  6. Step 6: Final answer
    x = 625,961.50

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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.