Home / 1,461,108.51-2,191,868.64-450,312.21

Finding the Fourth Proportional to 1,461,108.51, 2,191,868.64 and 450,312.21

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Solution

The fourth proportional to 1,461,108.51, 2,191,868.64 and 450,312.21 is: 675,531.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,461,108.51 : 2,191,868.64 = 450,312.21 : x
  2. Step 2: Convert to fraction form
    1,461,108.51/2,191,868.64 = 450,312.21/x
  3. Step 3: Cross multiply
    1,461,108.51x = 2,191,868.64 × 450,312.21
  4. Step 4: Simplify right side
    1,461,108.51x = 987,025,211,308.10
  5. Step 5: Solve for x
    x = 987,025,211,308.10/1,461,108.51
  6. Step 6: Final answer
    x = 675,531.77

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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.