Home / 826,254.24-1,139,970.96-463,624.80

Finding the Fourth Proportional to 826,254.24, 1,139,970.96 and 463,624.80

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Solution

The fourth proportional to 826,254.24, 1,139,970.96 and 463,624.80 is: 639,656.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    826,254.24 : 1,139,970.96 = 463,624.80 : x
  2. Step 2: Convert to fraction form
    826,254.24/1,139,970.96 = 463,624.80/x
  3. Step 3: Cross multiply
    826,254.24x = 1,139,970.96 × 463,624.80
  4. Step 4: Simplify right side
    826,254.24x = 528,518,808,335.81
  5. Step 5: Solve for x
    x = 528,518,808,335.81/826,254.24
  6. Step 6: Final answer
    x = 639,656.39

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Double scale
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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.