Home / 1,074,615.96-1,611,925.02-400,686.96

Finding the Fourth Proportional to 1,074,615.96, 1,611,925.02 and 400,686.96

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Solution

The fourth proportional to 1,074,615.96, 1,611,925.02 and 400,686.96 is: 601,030.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,074,615.96 : 1,611,925.02 = 400,686.96 : x
  2. Step 2: Convert to fraction form
    1,074,615.96/1,611,925.02 = 400,686.96/x
  3. Step 3: Cross multiply
    1,074,615.96x = 1,611,925.02 × 400,686.96
  4. Step 4: Simplify right side
    1,074,615.96x = 645,877,336,011.74
  5. Step 5: Solve for x
    x = 645,877,336,011.74/1,074,615.96
  6. Step 6: Final answer
    x = 601,030.84

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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.