Home / 1,108,852.16-1,530,208.56-625,421.30

Finding the Fourth Proportional to 1,108,852.16, 1,530,208.56 and 625,421.30

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Solution

The fourth proportional to 1,108,852.16, 1,530,208.56 and 625,421.30 is: 863,077.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,108,852.16 : 1,530,208.56 = 625,421.30 : x
  2. Step 2: Convert to fraction form
    1,108,852.16/1,530,208.56 = 625,421.30/x
  3. Step 3: Cross multiply
    1,108,852.16x = 1,530,208.56 × 625,421.30
  4. Step 4: Simplify right side
    1,108,852.16x = 957,025,026,866.33
  5. Step 5: Solve for x
    x = 957,025,026,866.33/1,108,852.16
  6. Step 6: Final answer
    x = 863,077.21

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Double scale
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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.