Home / 570,283.81-786,938.32-340,795.55

Finding the Fourth Proportional to 570,283.81, 786,938.32 and 340,795.55

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Solution

The fourth proportional to 570,283.81, 786,938.32 and 340,795.55 is: 470,265.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    570,283.81 : 786,938.32 = 340,795.55 : x
  2. Step 2: Convert to fraction form
    570,283.81/786,938.32 = 340,795.55/x
  3. Step 3: Cross multiply
    570,283.81x = 786,938.32 × 340,795.55
  4. Step 4: Simplify right side
    570,283.81x = 268,185,077,580.48
  5. Step 5: Solve for x
    x = 268,185,077,580.48/570,283.81
  6. Step 6: Final answer
    x = 470,265.98

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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.