Home / 1,222,336.40-1,833,065.40-423,402.80

Finding the Fourth Proportional to 1,222,336.40, 1,833,065.40 and 423,402.80

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Solution

The fourth proportional to 1,222,336.40, 1,833,065.40 and 423,402.80 is: 634,952.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,222,336.40 : 1,833,065.40 = 423,402.80 : x
  2. Step 2: Convert to fraction form
    1,222,336.40/1,833,065.40 = 423,402.80/x
  3. Step 3: Cross multiply
    1,222,336.40x = 1,833,065.40 × 423,402.80
  4. Step 4: Simplify right side
    1,222,336.40x = 776,125,022,943.12
  5. Step 5: Solve for x
    x = 776,125,022,943.12/1,222,336.40
  6. Step 6: Final answer
    x = 634,952.07

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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.