Home / 744,036.81-1,026,392.25-486,064.77

Finding the Fourth Proportional to 744,036.81, 1,026,392.25 and 486,064.77

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Solution

The fourth proportional to 744,036.81, 1,026,392.25 and 486,064.77 is: 670,522.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    744,036.81 : 1,026,392.25 = 486,064.77 : x
  2. Step 2: Convert to fraction form
    744,036.81/1,026,392.25 = 486,064.77/x
  3. Step 3: Cross multiply
    744,036.81x = 1,026,392.25 × 486,064.77
  4. Step 4: Simplify right side
    744,036.81x = 498,893,112,926.03
  5. Step 5: Solve for x
    x = 498,893,112,926.03/744,036.81
  6. Step 6: Final answer
    x = 670,522.08

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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.