Home / 913,330.31-1,260,398.27-505,460.27

Finding the Fourth Proportional to 913,330.31, 1,260,398.27 and 505,460.27

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Solution

The fourth proportional to 913,330.31, 1,260,398.27 and 505,460.27 is: 697,536.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    913,330.31 : 1,260,398.27 = 505,460.27 : x
  2. Step 2: Convert to fraction form
    913,330.31/1,260,398.27 = 505,460.27/x
  3. Step 3: Cross multiply
    913,330.31x = 1,260,398.27 × 505,460.27
  4. Step 4: Simplify right side
    913,330.31x = 637,081,241,032.44
  5. Step 5: Solve for x
    x = 637,081,241,032.44/913,330.31
  6. Step 6: Final answer
    x = 697,536.52

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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.