Home / 679,413.42-937,566.90-437,706.18

Finding the Fourth Proportional to 679,413.42, 937,566.90 and 437,706.18

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Solution

The fourth proportional to 679,413.42, 937,566.90 and 437,706.18 is: 604,019.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    679,413.42 : 937,566.90 = 437,706.18 : x
  2. Step 2: Convert to fraction form
    679,413.42/937,566.90 = 437,706.18/x
  3. Step 3: Cross multiply
    679,413.42x = 937,566.90 × 437,706.18
  4. Step 4: Simplify right side
    679,413.42x = 410,378,826,293.44
  5. Step 5: Solve for x
    x = 410,378,826,293.44/679,413.42
  6. Step 6: Final answer
    x = 604,019.31

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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.