Home / 1,289,693.93-1,931,590.47-616,248.59

Finding the Fourth Proportional to 1,289,693.93, 1,931,590.47 and 616,248.59

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Solution

The fourth proportional to 1,289,693.93, 1,931,590.47 and 616,248.59 is: 922,963.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,289,693.93 : 1,931,590.47 = 616,248.59 : x
  2. Step 2: Convert to fraction form
    1,289,693.93/1,931,590.47 = 616,248.59/x
  3. Step 3: Cross multiply
    1,289,693.93x = 1,931,590.47 × 616,248.59
  4. Step 4: Simplify right side
    1,289,693.93x = 1,190,339,903,594.94
  5. Step 5: Solve for x
    x = 1,190,339,903,594.94/1,289,693.93
  6. Step 6: Final answer
    x = 922,963.10

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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.