Home / 880,303.23-1,214,823.51-517,742.37

Finding the Fourth Proportional to 880,303.23, 1,214,823.51 and 517,742.37

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Solution

The fourth proportional to 880,303.23, 1,214,823.51 and 517,742.37 is: 714,487.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    880,303.23 : 1,214,823.51 = 517,742.37 : x
  2. Step 2: Convert to fraction form
    880,303.23/1,214,823.51 = 517,742.37/x
  3. Step 3: Cross multiply
    880,303.23x = 1,214,823.51 × 517,742.37
  4. Step 4: Simplify right side
    880,303.23x = 628,965,603,199.12
  5. Step 5: Solve for x
    x = 628,965,603,199.12/880,303.23
  6. Step 6: Final answer
    x = 714,487.44

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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.