Home / 786,534.84-1,085,255.13-459,784.41

Finding the Fourth Proportional to 786,534.84, 1,085,255.13 and 459,784.41

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Solution

The fourth proportional to 786,534.84, 1,085,255.13 and 459,784.41 is: 634,407.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    786,534.84 : 1,085,255.13 = 459,784.41 : x
  2. Step 2: Convert to fraction form
    786,534.84/1,085,255.13 = 459,784.41/x
  3. Step 3: Cross multiply
    786,534.84x = 1,085,255.13 × 459,784.41
  4. Step 4: Simplify right side
    786,534.84x = 498,983,389,646.52
  5. Step 5: Solve for x
    x = 498,983,389,646.52/786,534.84
  6. Step 6: Final answer
    x = 634,407.23

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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.