Home / 1,022,678.92-1,411,307.77-563,809.91

Finding the Fourth Proportional to 1,022,678.92, 1,411,307.77 and 563,809.91

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Solution

The fourth proportional to 1,022,678.92, 1,411,307.77 and 563,809.91 is: 778,063.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,022,678.92 : 1,411,307.77 = 563,809.91 : x
  2. Step 2: Convert to fraction form
    1,022,678.92/1,411,307.77 = 563,809.91/x
  3. Step 3: Cross multiply
    1,022,678.92x = 1,411,307.77 × 563,809.91
  4. Step 4: Simplify right side
    1,022,678.92x = 795,709,303,346.38
  5. Step 5: Solve for x
    x = 795,709,303,346.38/1,022,678.92
  6. Step 6: Final answer
    x = 778,063.66

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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.