Home / 558,807.41-771,132.81-317,075.57

Finding the Fourth Proportional to 558,807.41, 771,132.81 and 317,075.57

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Solution

The fourth proportional to 558,807.41, 771,132.81 and 317,075.57 is: 437,552.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    558,807.41 : 771,132.81 = 317,075.57 : x
  2. Step 2: Convert to fraction form
    558,807.41/771,132.81 = 317,075.57/x
  3. Step 3: Cross multiply
    558,807.41x = 771,132.81 × 317,075.57
  4. Step 4: Simplify right side
    558,807.41x = 244,507,371,420.79
  5. Step 5: Solve for x
    x = 244,507,371,420.79/558,807.41
  6. Step 6: Final answer
    x = 437,552.13

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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.