Home / 931,036.96-1,284,832-528,628.96

Finding the Fourth Proportional to 931,036.96, 1,284,832 and 528,628.96

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Solution

The fourth proportional to 931,036.96, 1,284,832 and 528,628.96 is: 729,508.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    931,036.96 : 1,284,832 = 528,628.96 : x
  2. Step 2: Convert to fraction form
    931,036.96/1,284,832 = 528,628.96/x
  3. Step 3: Cross multiply
    931,036.96x = 1,284,832 × 528,628.96
  4. Step 4: Simplify right side
    931,036.96x = 679,199,403,934.72
  5. Step 5: Solve for x
    x = 679,199,403,934.72/931,036.96
  6. Step 6: Final answer
    x = 729,508.53

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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.