Home / 690,746.51-953,259.62-384,822.72

Finding the Fourth Proportional to 690,746.51, 953,259.62 and 384,822.72

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Solution

The fourth proportional to 690,746.51, 953,259.62 and 384,822.72 is: 531,071.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    690,746.51 : 953,259.62 = 384,822.72 : x
  2. Step 2: Convert to fraction form
    690,746.51/953,259.62 = 384,822.72/x
  3. Step 3: Cross multiply
    690,746.51x = 953,259.62 × 384,822.72
  4. Step 4: Simplify right side
    690,746.51x = 366,835,957,910.45
  5. Step 5: Solve for x
    x = 366,835,957,910.45/690,746.51
  6. Step 6: Final answer
    x = 531,071.75

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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.