Home / 772,610.40-1,158,915.60-655,970.40

Finding the Fourth Proportional to 772,610.40, 1,158,915.60 and 655,970.40

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Solution

The fourth proportional to 772,610.40, 1,158,915.60 and 655,970.40 is: 983,955.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    772,610.40 : 1,158,915.60 = 655,970.40 : x
  2. Step 2: Convert to fraction form
    772,610.40/1,158,915.60 = 655,970.40/x
  3. Step 3: Cross multiply
    772,610.40x = 1,158,915.60 × 655,970.40
  4. Step 4: Simplify right side
    772,610.40x = 760,214,329,698.24
  5. Step 5: Solve for x
    x = 760,214,329,698.24/772,610.40
  6. Step 6: Final answer
    x = 983,955.60

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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.