Home / 1,013,423.81-1,398,503.27-554,536.53

Finding the Fourth Proportional to 1,013,423.81, 1,398,503.27 and 554,536.53

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Solution

The fourth proportional to 1,013,423.81, 1,398,503.27 and 554,536.53 is: 765,248.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,013,423.81 : 1,398,503.27 = 554,536.53 : x
  2. Step 2: Convert to fraction form
    1,013,423.81/1,398,503.27 = 554,536.53/x
  3. Step 3: Cross multiply
    1,013,423.81x = 1,398,503.27 × 554,536.53
  4. Step 4: Simplify right side
    1,013,423.81x = 775,521,151,925.79
  5. Step 5: Solve for x
    x = 775,521,151,925.79/1,013,423.81
  6. Step 6: Final answer
    x = 765,248.60

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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.