Home / 684,045.64-943,980.66-382,239.64

Finding the Fourth Proportional to 684,045.64, 943,980.66 and 382,239.64

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Solution

The fourth proportional to 684,045.64, 943,980.66 and 382,239.64 is: 527,489.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    684,045.64 : 943,980.66 = 382,239.64 : x
  2. Step 2: Convert to fraction form
    684,045.64/943,980.66 = 382,239.64/x
  3. Step 3: Cross multiply
    684,045.64x = 943,980.66 × 382,239.64
  4. Step 4: Simplify right side
    684,045.64x = 360,826,827,645.36
  5. Step 5: Solve for x
    x = 360,826,827,645.36/684,045.64
  6. Step 6: Final answer
    x = 527,489.41

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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.