Home / 1,008,101.40-1,513,901.70-535,709.40

Finding the Fourth Proportional to 1,008,101.40, 1,513,901.70 and 535,709.40

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Solution

The fourth proportional to 1,008,101.40, 1,513,901.70 and 535,709.40 is: 804,493.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,008,101.40 : 1,513,901.70 = 535,709.40 : x
  2. Step 2: Convert to fraction form
    1,008,101.40/1,513,901.70 = 535,709.40/x
  3. Step 3: Cross multiply
    1,008,101.40x = 1,513,901.70 × 535,709.40
  4. Step 4: Simplify right side
    1,008,101.40x = 811,011,371,365.98
  5. Step 5: Solve for x
    x = 811,011,371,365.98/1,008,101.40
  6. Step 6: Final answer
    x = 804,493.84

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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.