Home / 1,038,811.60-1,556,988.60-439,771.60

Finding the Fourth Proportional to 1,038,811.60, 1,556,988.60 and 439,771.60

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Solution

The fourth proportional to 1,038,811.60, 1,556,988.60 and 439,771.60 is: 659,137.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,038,811.60 : 1,556,988.60 = 439,771.60 : x
  2. Step 2: Convert to fraction form
    1,038,811.60/1,556,988.60 = 439,771.60/x
  3. Step 3: Cross multiply
    1,038,811.60x = 1,556,988.60 × 439,771.60
  4. Step 4: Simplify right side
    1,038,811.60x = 684,719,367,803.76
  5. Step 5: Solve for x
    x = 684,719,367,803.76/1,038,811.60
  6. Step 6: Final answer
    x = 659,137.20

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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.