Home / 987,341.60-1,362,536.40-534,634.40

Finding the Fourth Proportional to 987,341.60, 1,362,536.40 and 534,634.40

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Solution

The fourth proportional to 987,341.60, 1,362,536.40 and 534,634.40 is: 737,798.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    987,341.60 : 1,362,536.40 = 534,634.40 : x
  2. Step 2: Convert to fraction form
    987,341.60/1,362,536.40 = 534,634.40/x
  3. Step 3: Cross multiply
    987,341.60x = 1,362,536.40 × 534,634.40
  4. Step 4: Simplify right side
    987,341.60x = 728,458,830,692.16
  5. Step 5: Solve for x
    x = 728,458,830,692.16/987,341.60
  6. Step 6: Final answer
    x = 737,798.18

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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.