Home / 570,283.66-786,938.02-340,795.26

Finding the Fourth Proportional to 570,283.66, 786,938.02 and 340,795.26

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Solution

The fourth proportional to 570,283.66, 786,938.02 and 340,795.26 is: 470,265.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    570,283.66 : 786,938.02 = 340,795.26 : x
  2. Step 2: Convert to fraction form
    570,283.66/786,938.02 = 340,795.26/x
  3. Step 3: Cross multiply
    570,283.66x = 786,938.02 × 340,795.26
  4. Step 4: Simplify right side
    570,283.66x = 268,184,747,129.79
  5. Step 5: Solve for x
    x = 268,184,747,129.79/570,283.66
  6. Step 6: Final answer
    x = 470,265.53

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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.