Home / 1,492,688.40-2,058,282.12-1,008,412.68

Finding the Fourth Proportional to 1,492,688.40, 2,058,282.12 and 1,008,412.68

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Solution

The fourth proportional to 1,492,688.40, 2,058,282.12 and 1,008,412.68 is: 1,390,509.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,492,688.40 : 2,058,282.12 = 1,008,412.68 : x
  2. Step 2: Convert to fraction form
    1,492,688.40/2,058,282.12 = 1,008,412.68/x
  3. Step 3: Cross multiply
    1,492,688.40x = 2,058,282.12 × 1,008,412.68
  4. Step 4: Simplify right side
    1,492,688.40x = 2,075,597,788,825.28
  5. Step 5: Solve for x
    x = 2,075,597,788,825.28/1,492,688.40
  6. Step 6: Final answer
    x = 1,390,509.76

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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.