Home / 912,606.81-1,367,944.88-343,741.76

Finding the Fourth Proportional to 912,606.81, 1,367,944.88 and 343,741.76

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Solution

The fourth proportional to 912,606.81, 1,367,944.88 and 343,741.76 is: 515,249.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    912,606.81 : 1,367,944.88 = 343,741.76 : x
  2. Step 2: Convert to fraction form
    912,606.81/1,367,944.88 = 343,741.76/x
  3. Step 3: Cross multiply
    912,606.81x = 1,367,944.88 × 343,741.76
  4. Step 4: Simplify right side
    912,606.81x = 470,219,772,075.76
  5. Step 5: Solve for x
    x = 470,219,772,075.76/912,606.81
  6. Step 6: Final answer
    x = 515,249.03

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.