Home / 1,095,200.80-1,642,647.60-347,322.40

Finding the Fourth Proportional to 1,095,200.80, 1,642,647.60 and 347,322.40

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Solution

The fourth proportional to 1,095,200.80, 1,642,647.60 and 347,322.40 is: 520,934.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,095,200.80 : 1,642,647.60 = 347,322.40 : x
  2. Step 2: Convert to fraction form
    1,095,200.80/1,642,647.60 = 347,322.40/x
  3. Step 3: Cross multiply
    1,095,200.80x = 1,642,647.60 × 347,322.40
  4. Step 4: Simplify right side
    1,095,200.80x = 570,528,306,786.24
  5. Step 5: Solve for x
    x = 570,528,306,786.24/1,095,200.80
  6. Step 6: Final answer
    x = 520,934.89

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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.