Home / 1,185,740.19-1,778,614.50-287,182.53

Finding the Fourth Proportional to 1,185,740.19, 1,778,614.50 and 287,182.53

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Solution

The fourth proportional to 1,185,740.19, 1,778,614.50 and 287,182.53 is: 430,774.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,185,740.19 : 1,778,614.50 = 287,182.53 : x
  2. Step 2: Convert to fraction form
    1,185,740.19/1,778,614.50 = 287,182.53/x
  3. Step 3: Cross multiply
    1,185,740.19x = 1,778,614.50 × 287,182.53
  4. Step 4: Simplify right side
    1,185,740.19x = 510,787,012,004.69
  5. Step 5: Solve for x
    x = 510,787,012,004.69/1,185,740.19
  6. Step 6: Final answer
    x = 430,774.82

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1.5x scale

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.