Home / 975,706.83-1,346,531.85-545,983.20

Finding the Fourth Proportional to 975,706.83, 1,346,531.85 and 545,983.20

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Solution

The fourth proportional to 975,706.83, 1,346,531.85 and 545,983.20 is: 753,488.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    975,706.83 : 1,346,531.85 = 545,983.20 : x
  2. Step 2: Convert to fraction form
    975,706.83/1,346,531.85 = 545,983.20/x
  3. Step 3: Cross multiply
    975,706.83x = 1,346,531.85 × 545,983.20
  4. Step 4: Simplify right side
    975,706.83x = 735,183,768,364.92
  5. Step 5: Solve for x
    x = 735,183,768,364.92/975,706.83
  6. Step 6: Final answer
    x = 753,488.39

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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.