Home / 918,692.82-1,378,070.19-705,784.32

Finding the Fourth Proportional to 918,692.82, 1,378,070.19 and 705,784.32

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Solution

The fourth proportional to 918,692.82, 1,378,070.19 and 705,784.32 is: 1,058,700.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    918,692.82 : 1,378,070.19 = 705,784.32 : x
  2. Step 2: Convert to fraction form
    918,692.82/1,378,070.19 = 705,784.32/x
  3. Step 3: Cross multiply
    918,692.82x = 1,378,070.19 × 705,784.32
  4. Step 4: Simplify right side
    918,692.82x = 972,620,331,961.42
  5. Step 5: Solve for x
    x = 972,620,331,961.42/918,692.82
  6. Step 6: Final answer
    x = 1,058,700.26

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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.