Home / 963,637.18-1,329,774.51-528,051.94

Finding the Fourth Proportional to 963,637.18, 1,329,774.51 and 528,051.94

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Solution

The fourth proportional to 963,637.18, 1,329,774.51 and 528,051.94 is: 728,687.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    963,637.18 : 1,329,774.51 = 528,051.94 : x
  2. Step 2: Convert to fraction form
    963,637.18/1,329,774.51 = 528,051.94/x
  3. Step 3: Cross multiply
    963,637.18x = 1,329,774.51 × 528,051.94
  4. Step 4: Simplify right side
    963,637.18x = 702,190,009,768.05
  5. Step 5: Solve for x
    x = 702,190,009,768.05/963,637.18
  6. Step 6: Final answer
    x = 728,687.13

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1.5x scale

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.