Home / 989,774.55-1,365,904.80-537,065.55

Finding the Fourth Proportional to 989,774.55, 1,365,904.80 and 537,065.55

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Solution

The fourth proportional to 989,774.55, 1,365,904.80 and 537,065.55 is: 741,159.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    989,774.55 : 1,365,904.80 = 537,065.55 : x
  2. Step 2: Convert to fraction form
    989,774.55/1,365,904.80 = 537,065.55/x
  3. Step 3: Cross multiply
    989,774.55x = 1,365,904.80 × 537,065.55
  4. Step 4: Simplify right side
    989,774.55x = 733,580,412,659.64
  5. Step 5: Solve for x
    x = 733,580,412,659.64/989,774.55
  6. Step 6: Final answer
    x = 741,159.10

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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.