Home / 975,655.17-1,463,482.73-643,153.41

Finding the Fourth Proportional to 975,655.17, 1,463,482.73 and 643,153.41

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Solution

The fourth proportional to 975,655.17, 1,463,482.73 and 643,153.41 is: 964,730.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    975,655.17 : 1,463,482.73 = 643,153.41 : x
  2. Step 2: Convert to fraction form
    975,655.17/1,463,482.73 = 643,153.41/x
  3. Step 3: Cross multiply
    975,655.17x = 1,463,482.73 × 643,153.41
  4. Step 4: Simplify right side
    975,655.17x = 941,243,905,059.84
  5. Step 5: Solve for x
    x = 941,243,905,059.84/975,655.17
  6. Step 6: Final answer
    x = 964,730.10

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.