Home / 473,378.06-653,258.40-258,518.18

Finding the Fourth Proportional to 473,378.06, 653,258.40 and 258,518.18

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Solution

The fourth proportional to 473,378.06, 653,258.40 and 258,518.18 is: 356,753.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    473,378.06 : 653,258.40 = 258,518.18 : x
  2. Step 2: Convert to fraction form
    473,378.06/653,258.40 = 258,518.18/x
  3. Step 3: Cross multiply
    473,378.06x = 653,258.40 × 258,518.18
  4. Step 4: Simplify right side
    473,378.06x = 168,879,172,637.71
  5. Step 5: Solve for x
    x = 168,879,172,637.71/473,378.06
  6. Step 6: Final answer
    x = 356,753.27

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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.