Home / 570,322.65-786,962.88-315,673.23

Finding the Fourth Proportional to 570,322.65, 786,962.88 and 315,673.23

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Solution

The fourth proportional to 570,322.65, 786,962.88 and 315,673.23 is: 435,583.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    570,322.65 : 786,962.88 = 315,673.23 : x
  2. Step 2: Convert to fraction form
    570,322.65/786,962.88 = 315,673.23/x
  3. Step 3: Cross multiply
    570,322.65x = 786,962.88 × 315,673.23
  4. Step 4: Simplify right side
    570,322.65x = 248,423,114,219.70
  5. Step 5: Solve for x
    x = 248,423,114,219.70/570,322.65
  6. Step 6: Final answer
    x = 435,583.46

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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.