Home / 1,257,342.16-1,886,294.45-458,623.70

Finding the Fourth Proportional to 1,257,342.16, 1,886,294.45 and 458,623.70

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Solution

The fourth proportional to 1,257,342.16, 1,886,294.45 and 458,623.70 is: 688,038.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,257,342.16 : 1,886,294.45 = 458,623.70 : x
  2. Step 2: Convert to fraction form
    1,257,342.16/1,886,294.45 = 458,623.70/x
  3. Step 3: Cross multiply
    1,257,342.16x = 1,886,294.45 × 458,623.70
  4. Step 4: Simplify right side
    1,257,342.16x = 865,099,346,558.34
  5. Step 5: Solve for x
    x = 865,099,346,558.34/1,257,342.16
  6. Step 6: Final answer
    x = 688,038.13

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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.