Home / 988,075.20-1,363,544.64-535,366.16

Finding the Fourth Proportional to 988,075.20, 1,363,544.64 and 535,366.16

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Solution

The fourth proportional to 988,075.20, 1,363,544.64 and 535,366.16 is: 738,805.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    988,075.20 : 1,363,544.64 = 535,366.16 : x
  2. Step 2: Convert to fraction form
    988,075.20/1,363,544.64 = 535,366.16/x
  3. Step 3: Cross multiply
    988,075.20x = 1,363,544.64 × 535,366.16
  4. Step 4: Simplify right side
    988,075.20x = 729,995,657,905.38
  5. Step 5: Solve for x
    x = 729,995,657,905.38/988,075.20
  6. Step 6: Final answer
    x = 738,805.77

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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.