Home / 570,931.63-787,828.23-316,235.23

Finding the Fourth Proportional to 570,931.63, 787,828.23 and 316,235.23

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Solution

The fourth proportional to 570,931.63, 787,828.23 and 316,235.23 is: 436,372.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    570,931.63 : 787,828.23 = 316,235.23 : x
  2. Step 2: Convert to fraction form
    570,931.63/787,828.23 = 316,235.23/x
  3. Step 3: Cross multiply
    570,931.63x = 787,828.23 × 316,235.23
  4. Step 4: Simplify right side
    570,931.63x = 249,139,041,514.54
  5. Step 5: Solve for x
    x = 249,139,041,514.54/570,931.63
  6. Step 6: Final answer
    x = 436,372.81

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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.