Home / 713,931.20-1,068,823.20-693,195.20

Finding the Fourth Proportional to 713,931.20, 1,068,823.20 and 693,195.20

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Solution

The fourth proportional to 713,931.20, 1,068,823.20 and 693,195.20 is: 1,037,779.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    713,931.20 : 1,068,823.20 = 693,195.20 : x
  2. Step 2: Convert to fraction form
    713,931.20/1,068,823.20 = 693,195.20/x
  3. Step 3: Cross multiply
    713,931.20x = 1,068,823.20 × 693,195.20
  4. Step 4: Simplify right side
    713,931.20x = 740,903,111,888.64
  5. Step 5: Solve for x
    x = 740,903,111,888.64/713,931.20
  6. Step 6: Final answer
    x = 1,037,779.43

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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.