Home / 1,019,106.21-1,406,679.51-656,528.75

Finding the Fourth Proportional to 1,019,106.21, 1,406,679.51 and 656,528.75

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Solution

The fourth proportional to 1,019,106.21, 1,406,679.51 and 656,528.75 is: 906,211.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,019,106.21 : 1,406,679.51 = 656,528.75 : x
  2. Step 2: Convert to fraction form
    1,019,106.21/1,406,679.51 = 656,528.75/x
  3. Step 3: Cross multiply
    1,019,106.21x = 1,406,679.51 × 656,528.75
  4. Step 4: Simplify right side
    1,019,106.21x = 923,525,533,317.52
  5. Step 5: Solve for x
    x = 923,525,533,317.52/1,019,106.21
  6. Step 6: Final answer
    x = 906,211.27

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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.