Home / 927,220.16-1,391,030.04-287,511.03

Finding the Fourth Proportional to 927,220.16, 1,391,030.04 and 287,511.03

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Solution

The fourth proportional to 927,220.16, 1,391,030.04 and 287,511.03 is: 431,328.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    927,220.16 : 1,391,030.04 = 287,511.03 : x
  2. Step 2: Convert to fraction form
    927,220.16/1,391,030.04 = 287,511.03/x
  3. Step 3: Cross multiply
    927,220.16x = 1,391,030.04 × 287,511.03
  4. Step 4: Simplify right side
    927,220.16x = 399,936,479,561.34
  5. Step 5: Solve for x
    x = 399,936,479,561.34/927,220.16
  6. Step 6: Final answer
    x = 431,328.50

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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.