Home / 1,170,528.64-1,615,460.68-661,263.84

Finding the Fourth Proportional to 1,170,528.64, 1,615,460.68 and 661,263.84

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Solution

The fourth proportional to 1,170,528.64, 1,615,460.68 and 661,263.84 is: 912,618.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,170,528.64 : 1,615,460.68 = 661,263.84 : x
  2. Step 2: Convert to fraction form
    1,170,528.64/1,615,460.68 = 661,263.84/x
  3. Step 3: Cross multiply
    1,170,528.64x = 1,615,460.68 × 661,263.84
  4. Step 4: Simplify right side
    1,170,528.64x = 1,068,245,732,625.81
  5. Step 5: Solve for x
    x = 1,068,245,732,625.81/1,170,528.64
  6. Step 6: Final answer
    x = 912,618.19

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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.