Home / 1,069,779.20-1,604,668.80-538,937.60

Finding the Fourth Proportional to 1,069,779.20, 1,604,668.80 and 538,937.60

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Solution

The fourth proportional to 1,069,779.20, 1,604,668.80 and 538,937.60 is: 808,406.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,069,779.20 : 1,604,668.80 = 538,937.60 : x
  2. Step 2: Convert to fraction form
    1,069,779.20/1,604,668.80 = 538,937.60/x
  3. Step 3: Cross multiply
    1,069,779.20x = 1,604,668.80 × 538,937.60
  4. Step 4: Simplify right side
    1,069,779.20x = 864,816,351,866.88
  5. Step 5: Solve for x
    x = 864,816,351,866.88/1,069,779.20
  6. Step 6: Final answer
    x = 808,406.40

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Similar ratio
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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.