Home / 949,339.04-1,310,100.08-519,609.94

Finding the Fourth Proportional to 949,339.04, 1,310,100.08 and 519,609.94

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Solution

The fourth proportional to 949,339.04, 1,310,100.08 and 519,609.94 is: 717,068.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    949,339.04 : 1,310,100.08 = 519,609.94 : x
  2. Step 2: Convert to fraction form
    949,339.04/1,310,100.08 = 519,609.94/x
  3. Step 3: Cross multiply
    949,339.04x = 1,310,100.08 × 519,609.94
  4. Step 4: Simplify right side
    949,339.04x = 680,741,018,089.50
  5. Step 5: Solve for x
    x = 680,741,018,089.50/949,339.04
  6. Step 6: Final answer
    x = 717,068.39

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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.