Home / 1,235,250.80-1,852,876.20-525,100.40

Finding the Fourth Proportional to 1,235,250.80, 1,852,876.20 and 525,100.40

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Solution

The fourth proportional to 1,235,250.80, 1,852,876.20 and 525,100.40 is: 787,650.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,235,250.80 : 1,852,876.20 = 525,100.40 : x
  2. Step 2: Convert to fraction form
    1,235,250.80/1,852,876.20 = 525,100.40/x
  3. Step 3: Cross multiply
    1,235,250.80x = 1,852,876.20 × 525,100.40
  4. Step 4: Simplify right side
    1,235,250.80x = 972,946,033,770.48
  5. Step 5: Solve for x
    x = 972,946,033,770.48/1,235,250.80
  6. Step 6: Final answer
    x = 787,650.60

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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.