Home / 927,888.07-1,390,020.14-440,877.16

Finding the Fourth Proportional to 927,888.07, 1,390,020.14 and 440,877.16

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Solution

The fourth proportional to 927,888.07, 1,390,020.14 and 440,877.16 is: 660,454.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    927,888.07 : 1,390,020.14 = 440,877.16 : x
  2. Step 2: Convert to fraction form
    927,888.07/1,390,020.14 = 440,877.16/x
  3. Step 3: Cross multiply
    927,888.07x = 1,390,020.14 × 440,877.16
  4. Step 4: Simplify right side
    927,888.07x = 612,828,125,986.57
  5. Step 5: Solve for x
    x = 612,828,125,986.57/927,888.07
  6. Step 6: Final answer
    x = 660,454.80

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1.5x scale

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.