Home / 931,264.48-1,285,299.60-549,385.12

Finding the Fourth Proportional to 931,264.48, 1,285,299.60 and 549,385.12

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Solution

The fourth proportional to 931,264.48, 1,285,299.60 and 549,385.12 is: 758,242.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    931,264.48 : 1,285,299.60 = 549,385.12 : x
  2. Step 2: Convert to fraction form
    931,264.48/1,285,299.60 = 549,385.12/x
  3. Step 3: Cross multiply
    931,264.48x = 1,285,299.60 × 549,385.12
  4. Step 4: Simplify right side
    931,264.48x = 706,124,474,981.95
  5. Step 5: Solve for x
    x = 706,124,474,981.95/931,264.48
  6. Step 6: Final answer
    x = 758,242.68

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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.