Home / 1,114,830.84-1,538,561.34-631,482.24

Finding the Fourth Proportional to 1,114,830.84, 1,538,561.34 and 631,482.24

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Solution

The fourth proportional to 1,114,830.84, 1,538,561.34 and 631,482.24 is: 871,499.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,114,830.84 : 1,538,561.34 = 631,482.24 : x
  2. Step 2: Convert to fraction form
    1,114,830.84/1,538,561.34 = 631,482.24/x
  3. Step 3: Cross multiply
    1,114,830.84x = 1,538,561.34 × 631,482.24
  4. Step 4: Simplify right side
    1,114,830.84x = 971,574,161,360.60
  5. Step 5: Solve for x
    x = 971,574,161,360.60/1,114,830.84
  6. Step 6: Final answer
    x = 871,499.18

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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.