Home / 1,210,021.04-1,670,547.84-1,075,500.56

Finding the Fourth Proportional to 1,210,021.04, 1,670,547.84 and 1,075,500.56

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Solution

The fourth proportional to 1,210,021.04, 1,670,547.84 and 1,075,500.56 is: 1,484,829.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,210,021.04 : 1,670,547.84 = 1,075,500.56 : x
  2. Step 2: Convert to fraction form
    1,210,021.04/1,670,547.84 = 1,075,500.56/x
  3. Step 3: Cross multiply
    1,210,021.04x = 1,670,547.84 × 1,075,500.56
  4. Step 4: Simplify right side
    1,210,021.04x = 1,796,675,137,426.79
  5. Step 5: Solve for x
    x = 1,796,675,137,426.79/1,210,021.04
  6. Step 6: Final answer
    x = 1,484,829.67

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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.