Home / 1,011,061.76-1,516,588.32-411,889.28

Finding the Fourth Proportional to 1,011,061.76, 1,516,588.32 and 411,889.28

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Solution

The fourth proportional to 1,011,061.76, 1,516,588.32 and 411,889.28 is: 617,832.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,011,061.76 : 1,516,588.32 = 411,889.28 : x
  2. Step 2: Convert to fraction form
    1,011,061.76/1,516,588.32 = 411,889.28/x
  3. Step 3: Cross multiply
    1,011,061.76x = 1,516,588.32 × 411,889.28
  4. Step 4: Simplify right side
    1,011,061.76x = 624,666,471,181.21
  5. Step 5: Solve for x
    x = 624,666,471,181.21/1,011,061.76
  6. Step 6: Final answer
    x = 617,832.16

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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.