Home / 570,305.13-786,828.90-328,581.69

Finding the Fourth Proportional to 570,305.13, 786,828.90 and 328,581.69

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Solution

The fourth proportional to 570,305.13, 786,828.90 and 328,581.69 is: 453,332.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    570,305.13 : 786,828.90 = 328,581.69 : x
  2. Step 2: Convert to fraction form
    570,305.13/786,828.90 = 328,581.69/x
  3. Step 3: Cross multiply
    570,305.13x = 786,828.90 × 328,581.69
  4. Step 4: Simplify right side
    570,305.13x = 258,537,569,702.84
  5. Step 5: Solve for x
    x = 258,537,569,702.84/570,305.13
  6. Step 6: Final answer
    x = 453,332.01

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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.