Home / 837,465.80-1,255,809.90-363,907.40

Finding the Fourth Proportional to 837,465.80, 1,255,809.90 and 363,907.40

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Solution

The fourth proportional to 837,465.80, 1,255,809.90 and 363,907.40 is: 545,692.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    837,465.80 : 1,255,809.90 = 363,907.40 : x
  2. Step 2: Convert to fraction form
    837,465.80/1,255,809.90 = 363,907.40/x
  3. Step 3: Cross multiply
    837,465.80x = 1,255,809.90 × 363,907.40
  4. Step 4: Simplify right side
    837,465.80x = 456,998,515,603.26
  5. Step 5: Solve for x
    x = 456,998,515,603.26/837,465.80
  6. Step 6: Final answer
    x = 545,692.15

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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.