Home / 748,328.32-1,122,502.19-249,692.32

Finding the Fourth Proportional to 748,328.32, 1,122,502.19 and 249,692.32

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Solution

The fourth proportional to 748,328.32, 1,122,502.19 and 249,692.32 is: 374,541.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    748,328.32 : 1,122,502.19 = 249,692.32 : x
  2. Step 2: Convert to fraction form
    748,328.32/1,122,502.19 = 249,692.32/x
  3. Step 3: Cross multiply
    748,328.32x = 1,122,502.19 × 249,692.32
  4. Step 4: Simplify right side
    748,328.32x = 280,280,170,413.67
  5. Step 5: Solve for x
    x = 280,280,170,413.67/748,328.32
  6. Step 6: Final answer
    x = 374,541.71

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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 (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.