Home / 692,606.40-1,039,687.20-535,531.20

Finding the Fourth Proportional to 692,606.40, 1,039,687.20 and 535,531.20

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Solution

The fourth proportional to 692,606.40, 1,039,687.20 and 535,531.20 is: 803,898.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    692,606.40 : 1,039,687.20 = 535,531.20 : x
  2. Step 2: Convert to fraction form
    692,606.40/1,039,687.20 = 535,531.20/x
  3. Step 3: Cross multiply
    692,606.40x = 1,039,687.20 × 535,531.20
  4. Step 4: Simplify right side
    692,606.40x = 556,784,933,840.64
  5. Step 5: Solve for x
    x = 556,784,933,840.64/692,606.40
  6. Step 6: Final answer
    x = 803,898.05

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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.