Home / 716,210.10-988,038.61-429,231.96

Finding the Fourth Proportional to 716,210.10, 988,038.61 and 429,231.96

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Solution

The fourth proportional to 716,210.10, 988,038.61 and 429,231.96 is: 592,141.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    716,210.10 : 988,038.61 = 429,231.96 : x
  2. Step 2: Convert to fraction form
    716,210.10/988,038.61 = 429,231.96/x
  3. Step 3: Cross multiply
    716,210.10x = 988,038.61 × 429,231.96
  4. Step 4: Simplify right side
    716,210.10x = 424,097,748,052.90
  5. Step 5: Solve for x
    x = 424,097,748,052.90/716,210.10
  6. Step 6: Final answer
    x = 592,141.54

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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.