Home / 760,413.40-1,049,481.33-438,061.48

Finding the Fourth Proportional to 760,413.40, 1,049,481.33 and 438,061.48

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Solution

The fourth proportional to 760,413.40, 1,049,481.33 and 438,061.48 is: 604,588.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    760,413.40 : 1,049,481.33 = 438,061.48 : x
  2. Step 2: Convert to fraction form
    760,413.40/1,049,481.33 = 438,061.48/x
  3. Step 3: Cross multiply
    760,413.40x = 1,049,481.33 × 438,061.48
  4. Step 4: Simplify right side
    760,413.40x = 459,737,344,652.17
  5. Step 5: Solve for x
    x = 459,737,344,652.17/760,413.40
  6. Step 6: Final answer
    x = 604,588.69

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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.