Home / 914,671.50-1,262,246.67-512,263.50

Finding the Fourth Proportional to 914,671.50, 1,262,246.67 and 512,263.50

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Solution

The fourth proportional to 914,671.50, 1,262,246.67 and 512,263.50 is: 706,923.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    914,671.50 : 1,262,246.67 = 512,263.50 : x
  2. Step 2: Convert to fraction form
    914,671.50/1,262,246.67 = 512,263.50/x
  3. Step 3: Cross multiply
    914,671.50x = 1,262,246.67 × 512,263.50
  4. Step 4: Simplify right side
    914,671.50x = 646,602,897,037.55
  5. Step 5: Solve for x
    x = 646,602,897,037.55/914,671.50
  6. Step 6: Final answer
    x = 706,923.63

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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.