Home / 1,226,018.10-1,838,953.08-457,367.79

Finding the Fourth Proportional to 1,226,018.10, 1,838,953.08 and 457,367.79

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Solution

The fourth proportional to 1,226,018.10, 1,838,953.08 and 457,367.79 is: 686,024.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,226,018.10 : 1,838,953.08 = 457,367.79 : x
  2. Step 2: Convert to fraction form
    1,226,018.10/1,838,953.08 = 457,367.79/x
  3. Step 3: Cross multiply
    1,226,018.10x = 1,838,953.08 × 457,367.79
  4. Step 4: Simplify right side
    1,226,018.10x = 841,077,906,113.29
  5. Step 5: Solve for x
    x = 841,077,906,113.29/1,226,018.10
  6. Step 6: Final answer
    x = 686,024.05

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Double scale
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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.