Home / 898,449.71-1,239,714.36-530,875.73

Finding the Fourth Proportional to 898,449.71, 1,239,714.36 and 530,875.73

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Solution

The fourth proportional to 898,449.71, 1,239,714.36 and 530,875.73 is: 732,522.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    898,449.71 : 1,239,714.36 = 530,875.73 : x
  2. Step 2: Convert to fraction form
    898,449.71/1,239,714.36 = 530,875.73/x
  3. Step 3: Cross multiply
    898,449.71x = 1,239,714.36 × 530,875.73
  4. Step 4: Simplify right side
    898,449.71x = 658,134,268,955.77
  5. Step 5: Solve for x
    x = 658,134,268,955.77/898,449.71
  6. Step 6: Final answer
    x = 732,522.10

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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.