Home / 876,643.95-1,314,965.93-578,045.55

Finding the Fourth Proportional to 876,643.95, 1,314,965.93 and 578,045.55

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Solution

The fourth proportional to 876,643.95, 1,314,965.93 and 578,045.55 is: 867,068.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    876,643.95 : 1,314,965.93 = 578,045.55 : x
  2. Step 2: Convert to fraction form
    876,643.95/1,314,965.93 = 578,045.55/x
  3. Step 3: Cross multiply
    876,643.95x = 1,314,965.93 × 578,045.55
  4. Step 4: Simplify right side
    876,643.95x = 760,110,201,347.88
  5. Step 5: Solve for x
    x = 760,110,201,347.88/876,643.95
  6. Step 6: Final answer
    x = 867,068.33

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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.