Home / 1,431,554.51-1,975,583.02-778,224.49

Finding the Fourth Proportional to 1,431,554.51, 1,975,583.02 and 778,224.49

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Solution

The fourth proportional to 1,431,554.51, 1,975,583.02 and 778,224.49 is: 1,073,970.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,431,554.51 : 1,975,583.02 = 778,224.49 : x
  2. Step 2: Convert to fraction form
    1,431,554.51/1,975,583.02 = 778,224.49/x
  3. Step 3: Cross multiply
    1,431,554.51x = 1,975,583.02 × 778,224.49
  4. Step 4: Simplify right side
    1,431,554.51x = 1,537,447,088,192.16
  5. Step 5: Solve for x
    x = 1,537,447,088,192.16/1,431,554.51
  6. Step 6: Final answer
    x = 1,073,970.34

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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.