Home / 626,343.51-939,507.07-153,032.97

Finding the Fourth Proportional to 626,343.51, 939,507.07 and 153,032.97

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Solution

The fourth proportional to 626,343.51, 939,507.07 and 153,032.97 is: 229,547.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    626,343.51 : 939,507.07 = 153,032.97 : x
  2. Step 2: Convert to fraction form
    626,343.51/939,507.07 = 153,032.97/x
  3. Step 3: Cross multiply
    626,343.51x = 939,507.07 × 153,032.97
  4. Step 4: Simplify right side
    626,343.51x = 143,775,559,224.28
  5. Step 5: Solve for x
    x = 143,775,559,224.28/626,343.51
  6. Step 6: Final answer
    x = 229,547.45

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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.