Home / 753,038.44-1,039,194.30-413,528.20

Finding the Fourth Proportional to 753,038.44, 1,039,194.30 and 413,528.20

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Solution

The fourth proportional to 753,038.44, 1,039,194.30 and 413,528.20 is: 570,669.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    753,038.44 : 1,039,194.30 = 413,528.20 : x
  2. Step 2: Convert to fraction form
    753,038.44/1,039,194.30 = 413,528.20/x
  3. Step 3: Cross multiply
    753,038.44x = 1,039,194.30 × 413,528.20
  4. Step 4: Simplify right side
    753,038.44x = 429,736,148,329.26
  5. Step 5: Solve for x
    x = 429,736,148,329.26/753,038.44
  6. Step 6: Final answer
    x = 570,669.60

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Half scale
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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.