Home / 1,672,032.96-2,307,547.80-947,009.64

Finding the Fourth Proportional to 1,672,032.96, 2,307,547.80 and 947,009.64

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Solution

The fourth proportional to 1,672,032.96, 2,307,547.80 and 947,009.64 is: 1,306,953.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,672,032.96 : 2,307,547.80 = 947,009.64 : x
  2. Step 2: Convert to fraction form
    1,672,032.96/2,307,547.80 = 947,009.64/x
  3. Step 3: Cross multiply
    1,672,032.96x = 2,307,547.80 × 947,009.64
  4. Step 4: Simplify right side
    1,672,032.96x = 2,185,270,011,360.79
  5. Step 5: Solve for x
    x = 2,185,270,011,360.79/1,672,032.96
  6. Step 6: Final answer
    x = 1,306,953.91

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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.