Home / 708,129.50-1,061,421.51-348,547.82

Finding the Fourth Proportional to 708,129.50, 1,061,421.51 and 348,547.82

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Solution

The fourth proportional to 708,129.50, 1,061,421.51 and 348,547.82 is: 522,441.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    708,129.50 : 1,061,421.51 = 348,547.82 : x
  2. Step 2: Convert to fraction form
    708,129.50/1,061,421.51 = 348,547.82/x
  3. Step 3: Cross multiply
    708,129.50x = 1,061,421.51 × 348,547.82
  4. Step 4: Simplify right side
    708,129.50x = 369,956,153,411.61
  5. Step 5: Solve for x
    x = 369,956,153,411.61/708,129.50
  6. Step 6: Final answer
    x = 522,441.38

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.