Home / 1,069,784.30-1,604,775.42-386,841.62

Finding the Fourth Proportional to 1,069,784.30, 1,604,775.42 and 386,841.62

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Solution

The fourth proportional to 1,069,784.30, 1,604,775.42 and 386,841.62 is: 580,298.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,069,784.30 : 1,604,775.42 = 386,841.62 : x
  2. Step 2: Convert to fraction form
    1,069,784.30/1,604,775.42 = 386,841.62/x
  3. Step 3: Cross multiply
    1,069,784.30x = 1,604,775.42 × 386,841.62
  4. Step 4: Simplify right side
    1,069,784.30x = 620,793,927,220.92
  5. Step 5: Solve for x
    x = 620,793,927,220.92/1,069,784.30
  6. Step 6: Final answer
    x = 580,298.22

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Double scale
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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.