Home / 1,018,695.84-1,405,214.80-636,058.32

Finding the Fourth Proportional to 1,018,695.84, 1,405,214.80 and 636,058.32

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Solution

The fourth proportional to 1,018,695.84, 1,405,214.80 and 636,058.32 is: 877,394.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,018,695.84 : 1,405,214.80 = 636,058.32 : x
  2. Step 2: Convert to fraction form
    1,018,695.84/1,405,214.80 = 636,058.32/x
  3. Step 3: Cross multiply
    1,018,695.84x = 1,405,214.80 × 636,058.32
  4. Step 4: Simplify right side
    1,018,695.84x = 893,798,564,927.14
  5. Step 5: Solve for x
    x = 893,798,564,927.14/1,018,695.84
  6. Step 6: Final answer
    x = 877,394.93

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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.