Home / 1,038,119.60-1,556,987.40-290,010.80

Finding the Fourth Proportional to 1,038,119.60, 1,556,987.40 and 290,010.80

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Solution

The fourth proportional to 1,038,119.60, 1,556,987.40 and 290,010.80 is: 434,962.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,038,119.60 : 1,556,987.40 = 290,010.80 : x
  2. Step 2: Convert to fraction form
    1,038,119.60/1,556,987.40 = 290,010.80/x
  3. Step 3: Cross multiply
    1,038,119.60x = 1,556,987.40 × 290,010.80
  4. Step 4: Simplify right side
    1,038,119.60x = 451,543,161,463.92
  5. Step 5: Solve for x
    x = 451,543,161,463.92/1,038,119.60
  6. Step 6: Final answer
    x = 434,962.56

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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.