Home / 894,413.48-1,234,318.18-486,545

Finding the Fourth Proportional to 894,413.48, 1,234,318.18 and 486,545

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Solution

The fourth proportional to 894,413.48, 1,234,318.18 and 486,545 is: 671,447.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    894,413.48 : 1,234,318.18 = 486,545 : x
  2. Step 2: Convert to fraction form
    894,413.48/1,234,318.18 = 486,545/x
  3. Step 3: Cross multiply
    894,413.48x = 1,234,318.18 × 486,545
  4. Step 4: Simplify right side
    894,413.48x = 600,551,338,888.10
  5. Step 5: Solve for x
    x = 600,551,338,888.10/894,413.48
  6. Step 6: Final answer
    x = 671,447.10

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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.