Home / 1,680,069.40-2,317,465.02-1,075,407.64

Finding the Fourth Proportional to 1,680,069.40, 2,317,465.02 and 1,075,407.64

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Solution

The fourth proportional to 1,680,069.40, 2,317,465.02 and 1,075,407.64 is: 1,483,402.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,680,069.40 : 2,317,465.02 = 1,075,407.64 : x
  2. Step 2: Convert to fraction form
    1,680,069.40/2,317,465.02 = 1,075,407.64/x
  3. Step 3: Cross multiply
    1,680,069.40x = 2,317,465.02 × 1,075,407.64
  4. Step 4: Simplify right side
    1,680,069.40x = 2,492,219,587,940.75
  5. Step 5: Solve for x
    x = 2,492,219,587,940.75/1,680,069.40
  6. Step 6: Final answer
    x = 1,483,402.76

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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.