Home / 1,556,206.65-2,147,581.53-877,143.15

Finding the Fourth Proportional to 1,556,206.65, 2,147,581.53 and 877,143.15

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Solution

The fourth proportional to 1,556,206.65, 2,147,581.53 and 877,143.15 is: 1,210,466.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,556,206.65 : 2,147,581.53 = 877,143.15 : x
  2. Step 2: Convert to fraction form
    1,556,206.65/2,147,581.53 = 877,143.15/x
  3. Step 3: Cross multiply
    1,556,206.65x = 2,147,581.53 × 877,143.15
  4. Step 4: Simplify right side
    1,556,206.65x = 1,883,736,428,106.02
  5. Step 5: Solve for x
    x = 1,883,736,428,106.02/1,556,206.65
  6. Step 6: Final answer
    x = 1,210,466.76

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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.