Home / 1,038,511.80-1,557,767.70-637,853.40

Finding the Fourth Proportional to 1,038,511.80, 1,557,767.70 and 637,853.40

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Solution

The fourth proportional to 1,038,511.80, 1,557,767.70 and 637,853.40 is: 956,780.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,038,511.80 : 1,557,767.70 = 637,853.40 : x
  2. Step 2: Convert to fraction form
    1,038,511.80/1,557,767.70 = 637,853.40/x
  3. Step 3: Cross multiply
    1,038,511.80x = 1,557,767.70 × 637,853.40
  4. Step 4: Simplify right side
    1,038,511.80x = 993,627,423,855.18
  5. Step 5: Solve for x
    x = 993,627,423,855.18/1,038,511.80
  6. Step 6: Final answer
    x = 956,780.10

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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.