Home / 913,335.09-1,261,022.63-569,308.65

Finding the Fourth Proportional to 913,335.09, 1,261,022.63 and 569,308.65

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Solution

The fourth proportional to 913,335.09, 1,261,022.63 and 569,308.65 is: 786,032.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    913,335.09 : 1,261,022.63 = 569,308.65 : x
  2. Step 2: Convert to fraction form
    913,335.09/1,261,022.63 = 569,308.65/x
  3. Step 3: Cross multiply
    913,335.09x = 1,261,022.63 × 569,308.65
  4. Step 4: Simplify right side
    913,335.09x = 717,911,088,258.21
  5. Step 5: Solve for x
    x = 717,911,088,258.21/913,335.09
  6. Step 6: Final answer
    x = 786,032.53

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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.