Home / 1,223,096.40-1,686,671.64-1,126,547.64

Finding the Fourth Proportional to 1,223,096.40, 1,686,671.64 and 1,126,547.64

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Solution

The fourth proportional to 1,223,096.40, 1,686,671.64 and 1,126,547.64 is: 1,553,529.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,223,096.40 : 1,686,671.64 = 1,126,547.64 : x
  2. Step 2: Convert to fraction form
    1,223,096.40/1,686,671.64 = 1,126,547.64/x
  3. Step 3: Cross multiply
    1,223,096.40x = 1,686,671.64 × 1,126,547.64
  4. Step 4: Simplify right side
    1,223,096.40x = 1,900,115,955,496.93
  5. Step 5: Solve for x
    x = 1,900,115,955,496.93/1,223,096.40
  6. Step 6: Final answer
    x = 1,553,529.19

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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.