Home / 810,646.08-1,118,846.16-534,518.40

Finding the Fourth Proportional to 810,646.08, 1,118,846.16 and 534,518.40

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Solution

The fourth proportional to 810,646.08, 1,118,846.16 and 534,518.40 is: 737,737.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    810,646.08 : 1,118,846.16 = 534,518.40 : x
  2. Step 2: Convert to fraction form
    810,646.08/1,118,846.16 = 534,518.40/x
  3. Step 3: Cross multiply
    810,646.08x = 1,118,846.16 × 534,518.40
  4. Step 4: Simplify right side
    810,646.08x = 598,043,859,289.34
  5. Step 5: Solve for x
    x = 598,043,859,289.34/810,646.08
  6. Step 6: Final answer
    x = 737,737.31

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Double scale
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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.