Home / 1,170,526.64-1,615,457.92-661,261.84

Finding the Fourth Proportional to 1,170,526.64, 1,615,457.92 and 661,261.84

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Solution

The fourth proportional to 1,170,526.64, 1,615,457.92 and 661,261.84 is: 912,615.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,170,526.64 : 1,615,457.92 = 661,261.84 : x
  2. Step 2: Convert to fraction form
    1,170,526.64/1,615,457.92 = 661,261.84/x
  3. Step 3: Cross multiply
    1,170,526.64x = 1,615,457.92 × 661,261.84
  4. Step 4: Simplify right side
    1,170,526.64x = 1,068,240,676,621.77
  5. Step 5: Solve for x
    x = 1,068,240,676,621.77/1,170,526.64
  6. Step 6: Final answer
    x = 912,615.43

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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.