Home / 1,201,767.40-1,658,438.89-657,901.51

Finding the Fourth Proportional to 1,201,767.40, 1,658,438.89 and 657,901.51

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Solution

The fourth proportional to 1,201,767.40, 1,658,438.89 and 657,901.51 is: 907,904.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,201,767.40 : 1,658,438.89 = 657,901.51 : x
  2. Step 2: Convert to fraction form
    1,201,767.40/1,658,438.89 = 657,901.51/x
  3. Step 3: Cross multiply
    1,201,767.40x = 1,658,438.89 × 657,901.51
  4. Step 4: Simplify right side
    1,201,767.40x = 1,091,089,444,182.87
  5. Step 5: Solve for x
    x = 1,091,089,444,182.87/1,201,767.40
  6. Step 6: Final answer
    x = 907,904.01

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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.