Home / 1,657,685.45-2,486,528.28-459,607.79

Finding the Fourth Proportional to 1,657,685.45, 2,486,528.28 and 459,607.79

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Solution

The fourth proportional to 1,657,685.45, 2,486,528.28 and 459,607.79 is: 689,411.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,657,685.45 : 2,486,528.28 = 459,607.79 : x
  2. Step 2: Convert to fraction form
    1,657,685.45/2,486,528.28 = 459,607.79/x
  3. Step 3: Cross multiply
    1,657,685.45x = 2,486,528.28 × 459,607.79
  4. Step 4: Simplify right side
    1,657,685.45x = 1,142,827,773,759.62
  5. Step 5: Solve for x
    x = 1,142,827,773,759.62/1,657,685.45
  6. Step 6: Final answer
    x = 689,411.72

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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.