Home / 1,333,104.64-1,999,864.32-434,337.12

Finding the Fourth Proportional to 1,333,104.64, 1,999,864.32 and 434,337.12

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Solution

The fourth proportional to 1,333,104.64, 1,999,864.32 and 434,337.12 is: 651,573.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,333,104.64 : 1,999,864.32 = 434,337.12 : x
  2. Step 2: Convert to fraction form
    1,333,104.64/1,999,864.32 = 434,337.12/x
  3. Step 3: Cross multiply
    1,333,104.64x = 1,999,864.32 × 434,337.12
  4. Step 4: Simplify right side
    1,333,104.64x = 868,615,309,139.56
  5. Step 5: Solve for x
    x = 868,615,309,139.56/1,333,104.64
  6. Step 6: Final answer
    x = 651,573.24

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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.