Home / 692,470.69-1,038,765.53-243,152.96

Finding the Fourth Proportional to 692,470.69, 1,038,765.53 and 243,152.96

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Solution

The fourth proportional to 692,470.69, 1,038,765.53 and 243,152.96 is: 364,750.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    692,470.69 : 1,038,765.53 = 243,152.96 : x
  2. Step 2: Convert to fraction form
    692,470.69/1,038,765.53 = 243,152.96/x
  3. Step 3: Cross multiply
    692,470.69x = 1,038,765.53 × 243,152.96
  4. Step 4: Simplify right side
    692,470.69x = 252,578,908,779.52
  5. Step 5: Solve for x
    x = 252,578,908,779.52/692,470.69
  6. Step 6: Final answer
    x = 364,750.33

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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.