Home / 1,260,453.12-1,739,572.35-716,670.39

Finding the Fourth Proportional to 1,260,453.12, 1,739,572.35 and 716,670.39

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Solution

The fourth proportional to 1,260,453.12, 1,739,572.35 and 716,670.39 is: 989,088.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,260,453.12 : 1,739,572.35 = 716,670.39 : x
  2. Step 2: Convert to fraction form
    1,260,453.12/1,739,572.35 = 716,670.39/x
  3. Step 3: Cross multiply
    1,260,453.12x = 1,739,572.35 × 716,670.39
  4. Step 4: Simplify right side
    1,260,453.12x = 1,246,699,994,507.72
  5. Step 5: Solve for x
    x = 1,246,699,994,507.72/1,260,453.12
  6. Step 6: Final answer
    x = 989,088.74

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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.