Home / 803,019.02-1,108,258.80-480,729.02

Finding the Fourth Proportional to 803,019.02, 1,108,258.80 and 480,729.02

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Solution

The fourth proportional to 803,019.02, 1,108,258.80 and 480,729.02 is: 663,461.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    803,019.02 : 1,108,258.80 = 480,729.02 : x
  2. Step 2: Convert to fraction form
    803,019.02/1,108,258.80 = 480,729.02/x
  3. Step 3: Cross multiply
    803,019.02x = 1,108,258.80 × 480,729.02
  4. Step 4: Simplify right side
    803,019.02x = 532,772,166,830.38
  5. Step 5: Solve for x
    x = 532,772,166,830.38/803,019.02
  6. Step 6: Final answer
    x = 663,461.45

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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.