Home / 1,223,424.12-1,835,154.64-424,731.05

Finding the Fourth Proportional to 1,223,424.12, 1,835,154.64 and 424,731.05

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Solution

The fourth proportional to 1,223,424.12, 1,835,154.64 and 424,731.05 is: 637,102.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,223,424.12 : 1,835,154.64 = 424,731.05 : x
  2. Step 2: Convert to fraction form
    1,223,424.12/1,835,154.64 = 424,731.05/x
  3. Step 3: Cross multiply
    1,223,424.12x = 1,835,154.64 × 424,731.05
  4. Step 4: Simplify right side
    1,223,424.12x = 779,447,157,159.57
  5. Step 5: Solve for x
    x = 779,447,157,159.57/1,223,424.12
  6. Step 6: Final answer
    x = 637,102.98

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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.