Home / 1,235,762.95-1,852,475.67-931,685.30

Finding the Fourth Proportional to 1,235,762.95, 1,852,475.67 and 931,685.30

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Solution

The fourth proportional to 1,235,762.95, 1,852,475.67 and 931,685.30 is: 1,396,646.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,235,762.95 : 1,852,475.67 = 931,685.30 : x
  2. Step 2: Convert to fraction form
    1,235,762.95/1,852,475.67 = 931,685.30/x
  3. Step 3: Cross multiply
    1,235,762.95x = 1,852,475.67 × 931,685.30
  4. Step 4: Simplify right side
    1,235,762.95x = 1,725,924,350,346.65
  5. Step 5: Solve for x
    x = 1,725,924,350,346.65/1,235,762.95
  6. Step 6: Final answer
    x = 1,396,646.78

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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.