Home / 1,185,670.83-1,636,447.40-676,373.20

Finding the Fourth Proportional to 1,185,670.83, 1,636,447.40 and 676,373.20

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Solution

The fourth proportional to 1,185,670.83, 1,636,447.40 and 676,373.20 is: 933,521.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,185,670.83 : 1,636,447.40 = 676,373.20 : x
  2. Step 2: Convert to fraction form
    1,185,670.83/1,636,447.40 = 676,373.20/x
  3. Step 3: Cross multiply
    1,185,670.83x = 1,636,447.40 × 676,373.20
  4. Step 4: Simplify right side
    1,185,670.83x = 1,106,849,172,642.71
  5. Step 5: Solve for x
    x = 1,106,849,172,642.71/1,185,670.83
  6. Step 6: Final answer
    x = 933,521.47

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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.