Home / 589,117.17-812,931.76-330,973.89

Finding the Fourth Proportional to 589,117.17, 812,931.76 and 330,973.89

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Solution

The fourth proportional to 589,117.17, 812,931.76 and 330,973.89 is: 456,715.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    589,117.17 : 812,931.76 = 330,973.89 : x
  2. Step 2: Convert to fraction form
    589,117.17/812,931.76 = 330,973.89/x
  3. Step 3: Cross multiply
    589,117.17x = 812,931.76 × 330,973.89
  4. Step 4: Simplify right side
    589,117.17x = 269,059,186,911.75
  5. Step 5: Solve for x
    x = 269,059,186,911.75/589,117.17
  6. Step 6: Final answer
    x = 456,715.91

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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.