Home / 530,714.73-732,386.37-288,997.23

Finding the Fourth Proportional to 530,714.73, 732,386.37 and 288,997.23

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Solution

The fourth proportional to 530,714.73, 732,386.37 and 288,997.23 is: 398,816.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    530,714.73 : 732,386.37 = 288,997.23 : x
  2. Step 2: Convert to fraction form
    530,714.73/732,386.37 = 288,997.23/x
  3. Step 3: Cross multiply
    530,714.73x = 732,386.37 × 288,997.23
  4. Step 4: Simplify right side
    530,714.73x = 211,657,630,774.77
  5. Step 5: Solve for x
    x = 211,657,630,774.77/530,714.73
  6. Step 6: Final answer
    x = 398,816.20

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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.