Home / 1,007,778.60-1,390,681.98-625,797.18

Finding the Fourth Proportional to 1,007,778.60, 1,390,681.98 and 625,797.18

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Solution

The fourth proportional to 1,007,778.60, 1,390,681.98 and 625,797.18 is: 863,567.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,007,778.60 : 1,390,681.98 = 625,797.18 : x
  2. Step 2: Convert to fraction form
    1,007,778.60/1,390,681.98 = 625,797.18/x
  3. Step 3: Cross multiply
    1,007,778.60x = 1,390,681.98 × 625,797.18
  4. Step 4: Simplify right side
    1,007,778.60x = 870,284,861,360.82
  5. Step 5: Solve for x
    x = 870,284,861,360.82/1,007,778.60
  6. Step 6: Final answer
    x = 863,567.52

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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.