Home / 909,176.92-1,255,202.40-808,296.28

Finding the Fourth Proportional to 909,176.92, 1,255,202.40 and 808,296.28

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Solution

The fourth proportional to 909,176.92, 1,255,202.40 and 808,296.28 is: 1,115,927.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    909,176.92 : 1,255,202.40 = 808,296.28 : x
  2. Step 2: Convert to fraction form
    909,176.92/1,255,202.40 = 808,296.28/x
  3. Step 3: Cross multiply
    909,176.92x = 1,255,202.40 × 808,296.28
  4. Step 4: Simplify right side
    909,176.92x = 1,014,575,430,567.07
  5. Step 5: Solve for x
    x = 1,014,575,430,567.07/909,176.92
  6. Step 6: Final answer
    x = 1,115,927.39

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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.