Home / 712,851.03-983,106.32-440,875.71

Finding the Fourth Proportional to 712,851.03, 983,106.32 and 440,875.71

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Solution

The fourth proportional to 712,851.03, 983,106.32 and 440,875.71 is: 608,020.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    712,851.03 : 983,106.32 = 440,875.71 : x
  2. Step 2: Convert to fraction form
    712,851.03/983,106.32 = 440,875.71/x
  3. Step 3: Cross multiply
    712,851.03x = 983,106.32 × 440,875.71
  4. Step 4: Simplify right side
    712,851.03x = 433,427,694,631.11
  5. Step 5: Solve for x
    x = 433,427,694,631.11/712,851.03
  6. Step 6: Final answer
    x = 608,020.02

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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.