Home / 900,966.35-1,243,316.93-493,060.01

Finding the Fourth Proportional to 900,966.35, 1,243,316.93 and 493,060.01

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Solution

The fourth proportional to 900,966.35, 1,243,316.93 and 493,060.01 is: 680,413.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    900,966.35 : 1,243,316.93 = 493,060.01 : x
  2. Step 2: Convert to fraction form
    900,966.35/1,243,316.93 = 493,060.01/x
  3. Step 3: Cross multiply
    900,966.35x = 1,243,316.93 × 493,060.01
  4. Step 4: Simplify right side
    900,966.35x = 613,029,849,257.09
  5. Step 5: Solve for x
    x = 613,029,849,257.09/900,966.35
  6. Step 6: Final answer
    x = 680,413.70

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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.