Home / 926,862.40-1,390,293.60-716,910.40

Finding the Fourth Proportional to 926,862.40, 1,390,293.60 and 716,910.40

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Solution

The fourth proportional to 926,862.40, 1,390,293.60 and 716,910.40 is: 1,075,365.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    926,862.40 : 1,390,293.60 = 716,910.40 : x
  2. Step 2: Convert to fraction form
    926,862.40/1,390,293.60 = 716,910.40/x
  3. Step 3: Cross multiply
    926,862.40x = 1,390,293.60 × 716,910.40
  4. Step 4: Simplify right side
    926,862.40x = 996,715,940,893.44
  5. Step 5: Solve for x
    x = 996,715,940,893.44/926,862.40
  6. Step 6: Final answer
    x = 1,075,365.60

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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.