Home / 1,621,387.40-2,237,490.27-896,219.10

Finding the Fourth Proportional to 1,621,387.40, 2,237,490.27 and 896,219.10

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Solution

The fourth proportional to 1,621,387.40, 2,237,490.27 and 896,219.10 is: 1,236,768.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,621,387.40 : 2,237,490.27 = 896,219.10 : x
  2. Step 2: Convert to fraction form
    1,621,387.40/2,237,490.27 = 896,219.10/x
  3. Step 3: Cross multiply
    1,621,387.40x = 2,237,490.27 × 896,219.10
  4. Step 4: Simplify right side
    1,621,387.40x = 2,005,281,516,038.16
  5. Step 5: Solve for x
    x = 2,005,281,516,038.16/1,621,387.40
  6. Step 6: Final answer
    x = 1,236,768.91

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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.