Home / 932,998.20-1,287,602.63-525,139.10

Finding the Fourth Proportional to 932,998.20, 1,287,602.63 and 525,139.10

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Solution

The fourth proportional to 932,998.20, 1,287,602.63 and 525,139.10 is: 724,728.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    932,998.20 : 1,287,602.63 = 525,139.10 : x
  2. Step 2: Convert to fraction form
    932,998.20/1,287,602.63 = 525,139.10/x
  3. Step 3: Cross multiply
    932,998.20x = 1,287,602.63 × 525,139.10
  4. Step 4: Simplify right side
    932,998.20x = 676,170,484,009.91
  5. Step 5: Solve for x
    x = 676,170,484,009.91/932,998.20
  6. Step 6: Final answer
    x = 724,728.61

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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.