Home / 993,386.86-1,371,359.83-666,582.94

Finding the Fourth Proportional to 993,386.86, 1,371,359.83 and 666,582.94

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Solution

The fourth proportional to 993,386.86, 1,371,359.83 and 666,582.94 is: 920,210.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    993,386.86 : 1,371,359.83 = 666,582.94 : x
  2. Step 2: Convert to fraction form
    993,386.86/1,371,359.83 = 666,582.94/x
  3. Step 3: Cross multiply
    993,386.86x = 1,371,359.83 × 666,582.94
  4. Step 4: Simplify right side
    993,386.86x = 914,125,063,946.39
  5. Step 5: Solve for x
    x = 914,125,063,946.39/993,386.86
  6. Step 6: Final answer
    x = 920,210.55

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.