Home / 993,609.15-1,490,413.73-245,655.15

Finding the Fourth Proportional to 993,609.15, 1,490,413.73 and 245,655.15

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Solution

The fourth proportional to 993,609.15, 1,490,413.73 and 245,655.15 is: 368,482.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    993,609.15 : 1,490,413.73 = 245,655.15 : x
  2. Step 2: Convert to fraction form
    993,609.15/1,490,413.73 = 245,655.15/x
  3. Step 3: Cross multiply
    993,609.15x = 1,490,413.73 × 245,655.15
  4. Step 4: Simplify right side
    993,609.15x = 366,127,807,176.93
  5. Step 5: Solve for x
    x = 366,127,807,176.93/993,609.15
  6. Step 6: Final answer
    x = 368,482.73

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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.