Home / 646,263.51-891,826.27-359,783.59

Finding the Fourth Proportional to 646,263.51, 891,826.27 and 359,783.59

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Solution

The fourth proportional to 646,263.51, 891,826.27 and 359,783.59 is: 496,491.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    646,263.51 : 891,826.27 = 359,783.59 : x
  2. Step 2: Convert to fraction form
    646,263.51/891,826.27 = 359,783.59/x
  3. Step 3: Cross multiply
    646,263.51x = 891,826.27 × 359,783.59
  4. Step 4: Simplify right side
    646,263.51x = 320,864,455,620.06
  5. Step 5: Solve for x
    x = 320,864,455,620.06/646,263.51
  6. Step 6: Final answer
    x = 496,491.68

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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.