Home / 932,859.36-1,287,411.27-525,000.45

Finding the Fourth Proportional to 932,859.36, 1,287,411.27 and 525,000.45

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Solution

The fourth proportional to 932,859.36, 1,287,411.27 and 525,000.45 is: 724,537.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    932,859.36 : 1,287,411.27 = 525,000.45 : x
  2. Step 2: Convert to fraction form
    932,859.36/1,287,411.27 = 525,000.45/x
  3. Step 3: Cross multiply
    932,859.36x = 1,287,411.27 × 525,000.45
  4. Step 4: Simplify right side
    932,859.36x = 675,891,496,085.07
  5. Step 5: Solve for x
    x = 675,891,496,085.07/932,859.36
  6. Step 6: Final answer
    x = 724,537.40

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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.