Home / 927,709.44-1,280,203.20-525,302.40

Finding the Fourth Proportional to 927,709.44, 1,280,203.20 and 525,302.40

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Solution

The fourth proportional to 927,709.44, 1,280,203.20 and 525,302.40 is: 724,897.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    927,709.44 : 1,280,203.20 = 525,302.40 : x
  2. Step 2: Convert to fraction form
    927,709.44/1,280,203.20 = 525,302.40/x
  3. Step 3: Cross multiply
    927,709.44x = 1,280,203.20 × 525,302.40
  4. Step 4: Simplify right side
    927,709.44x = 672,493,813,447.68
  5. Step 5: Solve for x
    x = 672,493,813,447.68/927,709.44
  6. Step 6: Final answer
    x = 724,897.03

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Double scale
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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.