Home / 855,413.55-1,180,507.92-473,440.23

Finding the Fourth Proportional to 855,413.55, 1,180,507.92 and 473,440.23

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Solution

The fourth proportional to 855,413.55, 1,180,507.92 and 473,440.23 is: 653,368.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    855,413.55 : 1,180,507.92 = 473,440.23 : x
  2. Step 2: Convert to fraction form
    855,413.55/1,180,507.92 = 473,440.23/x
  3. Step 3: Cross multiply
    855,413.55x = 1,180,507.92 × 473,440.23
  4. Step 4: Simplify right side
    855,413.55x = 558,899,941,161.62
  5. Step 5: Solve for x
    x = 558,899,941,161.62/855,413.55
  6. Step 6: Final answer
    x = 653,368.12

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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.