Home / 803,132.72-1,108,302.87-458,946.76

Finding the Fourth Proportional to 803,132.72, 1,108,302.87 and 458,946.76

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Solution

The fourth proportional to 803,132.72, 1,108,302.87 and 458,946.76 is: 633,334.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    803,132.72 : 1,108,302.87 = 458,946.76 : x
  2. Step 2: Convert to fraction form
    803,132.72/1,108,302.87 = 458,946.76/x
  3. Step 3: Cross multiply
    803,132.72x = 1,108,302.87 × 458,946.76
  4. Step 4: Simplify right side
    803,132.72x = 508,652,009,731.99
  5. Step 5: Solve for x
    x = 508,652,009,731.99/803,132.72
  6. Step 6: Final answer
    x = 633,334.94

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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.