Home / 953,043.93-1,315,223.60-517,479.80

Finding the Fourth Proportional to 953,043.93, 1,315,223.60 and 517,479.80

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Solution

The fourth proportional to 953,043.93, 1,315,223.60 and 517,479.80 is: 714,134.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    953,043.93 : 1,315,223.60 = 517,479.80 : x
  2. Step 2: Convert to fraction form
    953,043.93/1,315,223.60 = 517,479.80/x
  3. Step 3: Cross multiply
    953,043.93x = 1,315,223.60 × 517,479.80
  4. Step 4: Simplify right side
    953,043.93x = 680,601,636,319.76
  5. Step 5: Solve for x
    x = 680,601,636,319.76/953,043.93
  6. Step 6: Final answer
    x = 714,134.59

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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.