Home / 692,419.15-1,036,751.95-359,295.31

Finding the Fourth Proportional to 692,419.15, 1,036,751.95 and 359,295.31

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Solution

The fourth proportional to 692,419.15, 1,036,751.95 and 359,295.31 is: 537,969.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    692,419.15 : 1,036,751.95 = 359,295.31 : x
  2. Step 2: Convert to fraction form
    692,419.15/1,036,751.95 = 359,295.31/x
  3. Step 3: Cross multiply
    692,419.15x = 1,036,751.95 × 359,295.31
  4. Step 4: Simplify right side
    692,419.15x = 372,500,113,268.36
  5. Step 5: Solve for x
    x = 372,500,113,268.36/692,419.15
  6. Step 6: Final answer
    x = 537,969.11

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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.