Home / 913,560.42-1,260,673.64-505,637.94

Finding the Fourth Proportional to 913,560.42, 1,260,673.64 and 505,637.94

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Solution

The fourth proportional to 913,560.42, 1,260,673.64 and 505,637.94 is: 697,758.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    913,560.42 : 1,260,673.64 = 505,637.94 : x
  2. Step 2: Convert to fraction form
    913,560.42/1,260,673.64 = 505,637.94/x
  3. Step 3: Cross multiply
    913,560.42x = 1,260,673.64 × 505,637.94
  4. Step 4: Simplify right side
    913,560.42x = 637,444,422,341.90
  5. Step 5: Solve for x
    x = 637,444,422,341.90/913,560.42
  6. Step 6: Final answer
    x = 697,758.36

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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.