Home / 716,438.88-988,826.98-410,720.56

Finding the Fourth Proportional to 716,438.88, 988,826.98 and 410,720.56

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Solution

The fourth proportional to 716,438.88, 988,826.98 and 410,720.56 is: 566,875.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    716,438.88 : 988,826.98 = 410,720.56 : x
  2. Step 2: Convert to fraction form
    716,438.88/988,826.98 = 410,720.56/x
  3. Step 3: Cross multiply
    716,438.88x = 988,826.98 × 410,720.56
  4. Step 4: Simplify right side
    716,438.88x = 406,131,570,968.71
  5. Step 5: Solve for x
    x = 406,131,570,968.71/716,438.88
  6. Step 6: Final answer
    x = 566,875.39

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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.