Home / 950,619.60-1,425,929.40-390,056.40

Finding the Fourth Proportional to 950,619.60, 1,425,929.40 and 390,056.40

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Solution

The fourth proportional to 950,619.60, 1,425,929.40 and 390,056.40 is: 585,084.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    950,619.60 : 1,425,929.40 = 390,056.40 : x
  2. Step 2: Convert to fraction form
    950,619.60/1,425,929.40 = 390,056.40/x
  3. Step 3: Cross multiply
    950,619.60x = 1,425,929.40 × 390,056.40
  4. Step 4: Simplify right side
    950,619.60x = 556,192,888,418.16
  5. Step 5: Solve for x
    x = 556,192,888,418.16/950,619.60
  6. Step 6: Final answer
    x = 585,084.60

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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.