Home / 634,501.24-875,636.22-348,033.40

Finding the Fourth Proportional to 634,501.24, 875,636.22 and 348,033.40

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Solution

The fourth proportional to 634,501.24, 875,636.22 and 348,033.40 is: 480,299.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    634,501.24 : 875,636.22 = 348,033.40 : x
  2. Step 2: Convert to fraction form
    634,501.24/875,636.22 = 348,033.40/x
  3. Step 3: Cross multiply
    634,501.24x = 875,636.22 × 348,033.40
  4. Step 4: Simplify right side
    634,501.24x = 304,750,650,809.75
  5. Step 5: Solve for x
    x = 304,750,650,809.75/634,501.24
  6. Step 6: Final answer
    x = 480,299.54

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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.