Home / 346,413.40-519,620.10-275,554.60

Finding the Fourth Proportional to 346,413.40, 519,620.10 and 275,554.60

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Solution

The fourth proportional to 346,413.40, 519,620.10 and 275,554.60 is: 413,331.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,413.40 : 519,620.10 = 275,554.60 : x
  2. Step 2: Convert to fraction form
    346,413.40/519,620.10 = 275,554.60/x
  3. Step 3: Cross multiply
    346,413.40x = 519,620.10 × 275,554.60
  4. Step 4: Simplify right side
    346,413.40x = 143,183,708,807.46
  5. Step 5: Solve for x
    x = 143,183,708,807.46/346,413.40
  6. Step 6: Final answer
    x = 413,331.90

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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.