Home / 913,570.49-1,260,695.08-505,673.12

Finding the Fourth Proportional to 913,570.49, 1,260,695.08 and 505,673.12

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Solution

The fourth proportional to 913,570.49, 1,260,695.08 and 505,673.12 is: 697,811.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    913,570.49 : 1,260,695.08 = 505,673.12 : x
  2. Step 2: Convert to fraction form
    913,570.49/1,260,695.08 = 505,673.12/x
  3. Step 3: Cross multiply
    913,570.49x = 1,260,695.08 × 505,673.12
  4. Step 4: Simplify right side
    913,570.49x = 637,499,614,472.25
  5. Step 5: Solve for x
    x = 637,499,614,472.25/913,570.49
  6. Step 6: Final answer
    x = 697,811.08

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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.