Home / 1,095,533.80-1,643,428.70-347,655.40

Finding the Fourth Proportional to 1,095,533.80, 1,643,428.70 and 347,655.40

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Solution

The fourth proportional to 1,095,533.80, 1,643,428.70 and 347,655.40 is: 521,523.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,095,533.80 : 1,643,428.70 = 347,655.40 : x
  2. Step 2: Convert to fraction form
    1,095,533.80/1,643,428.70 = 347,655.40/x
  3. Step 3: Cross multiply
    1,095,533.80x = 1,643,428.70 × 347,655.40
  4. Step 4: Simplify right side
    1,095,533.80x = 571,346,862,069.98
  5. Step 5: Solve for x
    x = 571,346,862,069.98/1,095,533.80
  6. Step 6: Final answer
    x = 521,523.72

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1.5x scale

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.