Home / 838,047.21-1,156,531.23-475,486.35

Finding the Fourth Proportional to 838,047.21, 1,156,531.23 and 475,486.35

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Solution

The fourth proportional to 838,047.21, 1,156,531.23 and 475,486.35 is: 656,185.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    838,047.21 : 1,156,531.23 = 475,486.35 : x
  2. Step 2: Convert to fraction form
    838,047.21/1,156,531.23 = 475,486.35/x
  3. Step 3: Cross multiply
    838,047.21x = 1,156,531.23 × 475,486.35
  4. Step 4: Simplify right side
    838,047.21x = 549,914,813,213.71
  5. Step 5: Solve for x
    x = 549,914,813,213.71/838,047.21
  6. Step 6: Final answer
    x = 656,185.96

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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.