Home / 1,535,845.66-2,119,888.57-891,473.45

Finding the Fourth Proportional to 1,535,845.66, 2,119,888.57 and 891,473.45

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Solution

The fourth proportional to 1,535,845.66, 2,119,888.57 and 891,473.45 is: 1,230,478.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,535,845.66 : 2,119,888.57 = 891,473.45 : x
  2. Step 2: Convert to fraction form
    1,535,845.66/2,119,888.57 = 891,473.45/x
  3. Step 3: Cross multiply
    1,535,845.66x = 2,119,888.57 × 891,473.45
  4. Step 4: Simplify right side
    1,535,845.66x = 1,889,824,377,113.47
  5. Step 5: Solve for x
    x = 1,889,824,377,113.47/1,535,845.66
  6. Step 6: Final answer
    x = 1,230,478.05

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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.