Home / 705,614.16-973,754.28-383,326.68

Finding the Fourth Proportional to 705,614.16, 973,754.28 and 383,326.68

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Solution

The fourth proportional to 705,614.16, 973,754.28 and 383,326.68 is: 528,994.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    705,614.16 : 973,754.28 = 383,326.68 : x
  2. Step 2: Convert to fraction form
    705,614.16/973,754.28 = 383,326.68/x
  3. Step 3: Cross multiply
    705,614.16x = 973,754.28 × 383,326.68
  4. Step 4: Simplify right side
    705,614.16x = 373,265,995,288.19
  5. Step 5: Solve for x
    x = 373,265,995,288.19/705,614.16
  6. Step 6: Final answer
    x = 528,994.48

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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.