Home / 838,385.04-1,156,935.06-456,413.16

Finding the Fourth Proportional to 838,385.04, 1,156,935.06 and 456,413.16

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Solution

The fourth proportional to 838,385.04, 1,156,935.06 and 456,413.16 is: 629,830.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    838,385.04 : 1,156,935.06 = 456,413.16 : x
  2. Step 2: Convert to fraction form
    838,385.04/1,156,935.06 = 456,413.16/x
  3. Step 3: Cross multiply
    838,385.04x = 1,156,935.06 × 456,413.16
  4. Step 4: Simplify right side
    838,385.04x = 528,040,386,649.39
  5. Step 5: Solve for x
    x = 528,040,386,649.39/838,385.04
  6. Step 6: Final answer
    x = 629,830.40

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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.