Home / 953,960.80-1,316,590.32-615,413.92

Finding the Fourth Proportional to 953,960.80, 1,316,590.32 and 615,413.92

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Solution

The fourth proportional to 953,960.80, 1,316,590.32 and 615,413.92 is: 849,351.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    953,960.80 : 1,316,590.32 = 615,413.92 : x
  2. Step 2: Convert to fraction form
    953,960.80/1,316,590.32 = 615,413.92/x
  3. Step 3: Cross multiply
    953,960.80x = 1,316,590.32 × 615,413.92
  4. Step 4: Simplify right side
    953,960.80x = 810,248,009,865.26
  5. Step 5: Solve for x
    x = 810,248,009,865.26/953,960.80
  6. Step 6: Final answer
    x = 849,351.47

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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.