Home / 530,536.64-732,149.89-288,826.16

Finding the Fourth Proportional to 530,536.64, 732,149.89 and 288,826.16

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Solution

The fourth proportional to 530,536.64, 732,149.89 and 288,826.16 is: 398,585.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    530,536.64 : 732,149.89 = 288,826.16 : x
  2. Step 2: Convert to fraction form
    530,536.64/732,149.89 = 288,826.16/x
  3. Step 3: Cross multiply
    530,536.64x = 732,149.89 × 288,826.16
  4. Step 4: Simplify right side
    530,536.64x = 211,464,036,890.31
  5. Step 5: Solve for x
    x = 211,464,036,890.31/530,536.64
  6. Step 6: Final answer
    x = 398,585.17

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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.