Home / 1,130,120.64-1,559,567.52-620,856

Finding the Fourth Proportional to 1,130,120.64, 1,559,567.52 and 620,856

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Solution

The fourth proportional to 1,130,120.64, 1,559,567.52 and 620,856 is: 856,781.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,130,120.64 : 1,559,567.52 = 620,856 : x
  2. Step 2: Convert to fraction form
    1,130,120.64/1,559,567.52 = 620,856/x
  3. Step 3: Cross multiply
    1,130,120.64x = 1,559,567.52 × 620,856
  4. Step 4: Simplify right side
    1,130,120.64x = 968,266,852,197.12
  5. Step 5: Solve for x
    x = 968,266,852,197.12/1,130,120.64
  6. Step 6: Final answer
    x = 856,781.85

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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.