Home / 1,014,587.64-1,400,081.05-555,704.21

Finding the Fourth Proportional to 1,014,587.64, 1,400,081.05 and 555,704.21

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Solution

The fourth proportional to 1,014,587.64, 1,400,081.05 and 555,704.21 is: 766,844.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,014,587.64 : 1,400,081.05 = 555,704.21 : x
  2. Step 2: Convert to fraction form
    1,014,587.64/1,400,081.05 = 555,704.21/x
  3. Step 3: Cross multiply
    1,014,587.64x = 1,400,081.05 × 555,704.21
  4. Step 4: Simplify right side
    1,014,587.64x = 778,030,938,021.05
  5. Step 5: Solve for x
    x = 778,030,938,021.05/1,014,587.64
  6. Step 6: Final answer
    x = 766,844.49

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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.