Home / 949,327.09-1,310,069.19-519,603.46

Finding the Fourth Proportional to 949,327.09, 1,310,069.19 and 519,603.46

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Solution

The fourth proportional to 949,327.09, 1,310,069.19 and 519,603.46 is: 717,051.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    949,327.09 : 1,310,069.19 = 519,603.46 : x
  2. Step 2: Convert to fraction form
    949,327.09/1,310,069.19 = 519,603.46/x
  3. Step 3: Cross multiply
    949,327.09x = 1,310,069.19 × 519,603.46
  4. Step 4: Simplify right side
    949,327.09x = 680,716,482,636.74
  5. Step 5: Solve for x
    x = 680,716,482,636.74/949,327.09
  6. Step 6: Final answer
    x = 717,051.57

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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.