Home / 705,864.83-974,073.80-383,564.21

Finding the Fourth Proportional to 705,864.83, 974,073.80 and 383,564.21

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Solution

The fourth proportional to 705,864.83, 974,073.80 and 383,564.21 is: 529,307.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    705,864.83 : 974,073.80 = 383,564.21 : x
  2. Step 2: Convert to fraction form
    705,864.83/974,073.80 = 383,564.21/x
  3. Step 3: Cross multiply
    705,864.83x = 974,073.80 × 383,564.21
  4. Step 4: Simplify right side
    705,864.83x = 373,619,840,790.51
  5. Step 5: Solve for x
    x = 373,619,840,790.51/705,864.83
  6. Step 6: Final answer
    x = 529,307.92

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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.