Home / 746,558.51-1,030,339.71-471,316.32

Finding the Fourth Proportional to 746,558.51, 1,030,339.71 and 471,316.32

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Solution

The fourth proportional to 746,558.51, 1,030,339.71 and 471,316.32 is: 650,472.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    746,558.51 : 1,030,339.71 = 471,316.32 : x
  2. Step 2: Convert to fraction form
    746,558.51/1,030,339.71 = 471,316.32/x
  3. Step 3: Cross multiply
    746,558.51x = 1,030,339.71 × 471,316.32
  4. Step 4: Simplify right side
    746,558.51x = 485,615,920,467.07
  5. Step 5: Solve for x
    x = 485,615,920,467.07/746,558.51
  6. Step 6: Final answer
    x = 650,472.69

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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.