Home / 964,944-1,331,623.80-562,613.76

Finding the Fourth Proportional to 964,944, 1,331,623.80 and 562,613.76

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Solution

The fourth proportional to 964,944, 1,331,623.80 and 562,613.76 is: 776,407.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    964,944 : 1,331,623.80 = 562,613.76 : x
  2. Step 2: Convert to fraction form
    964,944/1,331,623.80 = 562,613.76/x
  3. Step 3: Cross multiply
    964,944x = 1,331,623.80 × 562,613.76
  4. Step 4: Simplify right side
    964,944x = 749,189,873,023.49
  5. Step 5: Solve for x
    x = 749,189,873,023.49/964,944
  6. Step 6: Final answer
    x = 776,407.62

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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.