Home / 1,531,838.65-2,113,869.14-877,995.96

Finding the Fourth Proportional to 1,531,838.65, 2,113,869.14 and 877,995.96

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Solution

The fourth proportional to 1,531,838.65, 2,113,869.14 and 877,995.96 is: 1,211,595.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,531,838.65 : 2,113,869.14 = 877,995.96 : x
  2. Step 2: Convert to fraction form
    1,531,838.65/2,113,869.14 = 877,995.96/x
  3. Step 3: Cross multiply
    1,531,838.65x = 2,113,869.14 × 877,995.96
  4. Step 4: Simplify right side
    1,531,838.65x = 1,855,968,564,888.67
  5. Step 5: Solve for x
    x = 1,855,968,564,888.67/1,531,838.65
  6. Step 6: Final answer
    x = 1,211,595.34

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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.