Home / 910,964.93-1,257,117.31-503,056.63

Finding the Fourth Proportional to 910,964.93, 1,257,117.31 and 503,056.63

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Solution

The fourth proportional to 910,964.93, 1,257,117.31 and 503,056.63 is: 694,210.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    910,964.93 : 1,257,117.31 = 503,056.63 : x
  2. Step 2: Convert to fraction form
    910,964.93/1,257,117.31 = 503,056.63/x
  3. Step 3: Cross multiply
    910,964.93x = 1,257,117.31 × 503,056.63
  4. Step 4: Simplify right side
    910,964.93x = 632,401,197,483.27
  5. Step 5: Solve for x
    x = 632,401,197,483.27/910,964.93
  6. Step 6: Final answer
    x = 694,210.26

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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.