Home / 1,683,718.04-2,525,574.86-421,545.52

Finding the Fourth Proportional to 1,683,718.04, 2,525,574.86 and 421,545.52

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Solution

The fourth proportional to 1,683,718.04, 2,525,574.86 and 421,545.52 is: 632,317.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,683,718.04 : 2,525,574.86 = 421,545.52 : x
  2. Step 2: Convert to fraction form
    1,683,718.04/2,525,574.86 = 421,545.52/x
  3. Step 3: Cross multiply
    1,683,718.04x = 2,525,574.86 × 421,545.52
  4. Step 4: Simplify right side
    1,683,718.04x = 1,064,644,767,657.63
  5. Step 5: Solve for x
    x = 1,064,644,767,657.63/1,683,718.04
  6. Step 6: Final answer
    x = 632,317.73

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.