Home / 948,208.59-1,308,275.67-540,301.70

Finding the Fourth Proportional to 948,208.59, 1,308,275.67 and 540,301.70

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Solution

The fourth proportional to 948,208.59, 1,308,275.67 and 540,301.70 is: 745,472.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    948,208.59 : 1,308,275.67 = 540,301.70 : x
  2. Step 2: Convert to fraction form
    948,208.59/1,308,275.67 = 540,301.70/x
  3. Step 3: Cross multiply
    948,208.59x = 1,308,275.67 × 540,301.70
  4. Step 4: Simplify right side
    948,208.59x = 706,863,559,326.75
  5. Step 5: Solve for x
    x = 706,863,559,326.75/948,208.59
  6. Step 6: Final answer
    x = 745,472.64

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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.