Home / 1,038,505.40-1,556,591.70-439,364.60

Finding the Fourth Proportional to 1,038,505.40, 1,556,591.70 and 439,364.60

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Solution

The fourth proportional to 1,038,505.40, 1,556,591.70 and 439,364.60 is: 658,553.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,038,505.40 : 1,556,591.70 = 439,364.60 : x
  2. Step 2: Convert to fraction form
    1,038,505.40/1,556,591.70 = 439,364.60/x
  3. Step 3: Cross multiply
    1,038,505.40x = 1,556,591.70 × 439,364.60
  4. Step 4: Simplify right side
    1,038,505.40x = 683,911,289,633.82
  5. Step 5: Solve for x
    x = 683,911,289,633.82/1,038,505.40
  6. Step 6: Final answer
    x = 658,553.43

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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.