Home / 837,968.74-1,156,422.90-475,407.88

Finding the Fourth Proportional to 837,968.74, 1,156,422.90 and 475,407.88

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Solution

The fourth proportional to 837,968.74, 1,156,422.90 and 475,407.88 is: 656,077.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    837,968.74 : 1,156,422.90 = 475,407.88 : x
  2. Step 2: Convert to fraction form
    837,968.74/1,156,422.90 = 475,407.88/x
  3. Step 3: Cross multiply
    837,968.74x = 1,156,422.90 × 475,407.88
  4. Step 4: Simplify right side
    837,968.74x = 549,772,559,272.45
  5. Step 5: Solve for x
    x = 549,772,559,272.45/837,968.74
  6. Step 6: Final answer
    x = 656,077.65

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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.