Home / 713,509.40-1,070,264.10-292,568.60

Finding the Fourth Proportional to 713,509.40, 1,070,264.10 and 292,568.60

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Solution

The fourth proportional to 713,509.40, 1,070,264.10 and 292,568.60 is: 438,852.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    713,509.40 : 1,070,264.10 = 292,568.60 : x
  2. Step 2: Convert to fraction form
    713,509.40/1,070,264.10 = 292,568.60/x
  3. Step 3: Cross multiply
    713,509.40x = 1,070,264.10 × 292,568.60
  4. Step 4: Simplify right side
    713,509.40x = 313,125,669,367.26
  5. Step 5: Solve for x
    x = 313,125,669,367.26/713,509.40
  6. Step 6: Final answer
    x = 438,852.90

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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.